1690235820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5431}}^1$

素因数の和:5485

約数の個数: 288

約数和(自身を含む): 6643553280

約数和(自身を除く): 4953317460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 455, 468, 494, 532, 546, 570, 585, 630, 665, 684, 741, 780, 798, 819, 855, 910, 988, 1092, 1140, 1170, 1197, 1235, 1260, 1330, 1365, 1482, 1596, 1638, 1710, 1729, 1820, 1995, 2223, 2340, 2394, 2470, 2660, 2730, 2964, 3276, 3420, 3458, 3705, 3990, 4095, 4446, 4788, 4940, 5187, 5431, 5460, 5985, 6916, 7410, 7980, 8190, 8645, 8892, 10374, 10862, 11115, 11970, 14820, 15561, 16293, 16380, 17290, 20748, 21724, 22230, 23940, 25935, 27155, 31122, 32586, 34580, 38017, 44460, 48879, 51870, 54310, 62244, 65172, 70603, 76034, 77805, 81465, 97758, 103189, 103740, 108620, 114051, 141206, 152068, 155610, 162930, 190085, 195516, 206378, 211809, 228102, 244395, 282412, 309567, 311220, 325860, 342153, 353015, 380170, 412756, 423618, 456204, 488790, 494221, 515945, 570255, 619134, 635427, 684306, 706030, 722323, 760340, 847236, 928701, 977580, 988442, 1031890, 1059045, 1140510, 1238268, 1270854, 1341457, 1368612, 1412060, 1444646, 1482663, 1547835, 1710765, 1857402, 1976884, 2063780, 2118090, 2166969, 2281020, 2471105, 2541708, 2682914, 2889292, 2965326, 3095670, 3177135, 3421530, 3611615, 3714804, 4024371, 4236180, 4333938, 4447989, 4643505, 4942210, 5365828, 5930652, 6191340, 6354270, 6500907, 6707285, 6843060, 7223230, 7413315, 8048742, 8667876, 8895978, 9287010, 9390199, 9884420, 10834845, 12073113, 12708540, 13001814, 13414570, 14446460, 14826630, 16097484, 17791956, 18574020, 18780398, 20121855, 21669690, 22239945, 24146226, 26003628, 26829140, 28170597, 29653260, 32504535, 37560796, 40243710, 43339380, 44479890, 46950995, 48292452, 56341194, 60365565, 65009070, 80487420, 84511791, 88959780, 93901990, 112682388, 120731130, 130018140, 140852985, 169023582, 187803980, 241462260, 281705970, 338047164, 422558955, 563411940, 845117910, 1690235820]

約数ペア:

[(1, 1690235820), (2, 845117910), (3, 563411940), (4, 422558955), (5, 338047164), (6, 281705970), (7, 241462260), (9, 187803980), (10, 169023582), (12, 140852985), (13, 130018140), (14, 120731130), (15, 112682388), (18, 93901990), (19, 88959780), (20, 84511791), (21, 80487420), (26, 65009070), (28, 60365565), (30, 56341194), (35, 48292452), (36, 46950995), (38, 44479890), (39, 43339380), (42, 40243710), (45, 37560796), (52, 32504535), (57, 29653260), (60, 28170597), (63, 26829140), (65, 26003628), (70, 24146226), (76, 22239945), (78, 21669690), (84, 20121855), (90, 18780398), (91, 18574020), (95, 17791956), (105, 16097484), (114, 14826630), (117, 14446460), (126, 13414570), (130, 13001814), (133, 12708540), (140, 12073113), (156, 10834845), (171, 9884420), (180, 9390199), (182, 9287010), (190, 8895978), (195, 8667876), (210, 8048742), (228, 7413315), (234, 7223230), (247, 6843060), (252, 6707285), (260, 6500907), (266, 6354270), (273, 6191340), (285, 5930652), (315, 5365828), (342, 4942210), (364, 4643505), (380, 4447989), (390, 4333938), (399, 4236180), (420, 4024371), (455, 3714804), (468, 3611615), (494, 3421530), (532, 3177135), (546, 3095670), (570, 2965326), (585, 2889292), (630, 2682914), (665, 2541708), (684, 2471105), (741, 2281020), (780, 2166969), (798, 2118090), (819, 2063780), (855, 1976884), (910, 1857402), (988, 1710765), (1092, 1547835), (1140, 1482663), (1170, 1444646), (1197, 1412060), (1235, 1368612), (1260, 1341457), (1330, 1270854), (1365, 1238268), (1482, 1140510), (1596, 1059045), (1638, 1031890), (1710, 988442), (1729, 977580), (1820, 928701), (1995, 847236), (2223, 760340), (2340, 722323), (2394, 706030), (2470, 684306), (2660, 635427), (2730, 619134), (2964, 570255), (3276, 515945), (3420, 494221), (3458, 488790), (3705, 456204), (3990, 423618), (4095, 412756), (4446, 380170), (4788, 353015), (4940, 342153), (5187, 325860), (5431, 311220), (5460, 309567), (5985, 282412), (6916, 244395), (7410, 228102), (7980, 211809), (8190, 206378), (8645, 195516), (8892, 190085), (10374, 162930), (10862, 155610), (11115, 152068), (11970, 141206), (14820, 114051), (15561, 108620), (16293, 103740), (16380, 103189), (17290, 97758), (20748, 81465), (21724, 77805), (22230, 76034), (23940, 70603), (25935, 65172), (27155, 62244), (31122, 54310), (32586, 51870), (34580, 48879), (38017, 44460)]