20188350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 288

約数和(自身を含む): 73120320

約数和(自身を除く): 52931970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 17, 18, 21, 25, 26, 29, 30, 34, 35, 39, 42, 45, 50, 51, 58, 63, 65, 70, 75, 78, 85, 87, 90, 91, 102, 105, 117, 119, 126, 130, 145, 150, 153, 170, 174, 175, 182, 195, 203, 210, 221, 225, 234, 238, 255, 261, 273, 290, 306, 315, 325, 350, 357, 377, 390, 406, 425, 435, 442, 450, 455, 493, 510, 522, 525, 546, 585, 595, 609, 630, 650, 663, 714, 725, 754, 765, 819, 850, 870, 910, 975, 986, 1015, 1050, 1071, 1105, 1131, 1170, 1190, 1218, 1275, 1305, 1326, 1365, 1450, 1479, 1530, 1547, 1575, 1638, 1785, 1827, 1885, 1950, 1989, 2030, 2142, 2175, 2210, 2262, 2275, 2465, 2550, 2610, 2639, 2730, 2925, 2958, 2975, 3045, 3094, 3150, 3315, 3393, 3451, 3570, 3654, 3770, 3825, 3978, 4095, 4350, 4437, 4550, 4641, 4930, 5075, 5278, 5355, 5525, 5655, 5850, 5950, 6090, 6409, 6525, 6630, 6786, 6825, 6902, 7395, 7650, 7735, 7917, 8190, 8874, 8925, 9135, 9282, 9425, 9945, 10150, 10353, 10710, 11050, 11310, 12325, 12818, 13050, 13195, 13650, 13923, 14790, 15225, 15470, 15834, 16575, 16965, 17255, 17850, 18270, 18850, 19227, 19890, 20475, 20706, 22185, 23205, 23751, 24650, 26390, 26775, 27846, 28275, 30450, 31059, 32045, 33150, 33930, 34510, 36975, 38454, 38675, 39585, 40950, 44370, 44863, 45675, 46410, 47502, 49725, 51765, 53550, 56550, 57681, 62118, 64090, 65975, 69615, 73950, 77350, 79170, 84825, 86275, 89726, 91350, 96135, 99450, 103530, 110925, 115362, 116025, 118755, 131950, 134589, 139230, 155295, 160225, 169650, 172550, 192270, 197925, 221850, 224315, 232050, 237510, 258825, 269178, 288405, 310590, 320450, 348075, 395850, 403767, 448630, 480675, 517650, 576810, 593775, 672945, 696150, 776475, 807534, 961350, 1121575, 1187550, 1345890, 1442025, 1552950, 2018835, 2243150, 2884050, 3364725, 4037670, 6729450, 10094175, 20188350]

約数ペア:

[(1, 20188350), (2, 10094175), (3, 6729450), (5, 4037670), (6, 3364725), (7, 2884050), (9, 2243150), (10, 2018835), (13, 1552950), (14, 1442025), (15, 1345890), (17, 1187550), (18, 1121575), (21, 961350), (25, 807534), (26, 776475), (29, 696150), (30, 672945), (34, 593775), (35, 576810), (39, 517650), (42, 480675), (45, 448630), (50, 403767), (51, 395850), (58, 348075), (63, 320450), (65, 310590), (70, 288405), (75, 269178), (78, 258825), (85, 237510), (87, 232050), (90, 224315), (91, 221850), (102, 197925), (105, 192270), (117, 172550), (119, 169650), (126, 160225), (130, 155295), (145, 139230), (150, 134589), (153, 131950), (170, 118755), (174, 116025), (175, 115362), (182, 110925), (195, 103530), (203, 99450), (210, 96135), (221, 91350), (225, 89726), (234, 86275), (238, 84825), (255, 79170), (261, 77350), (273, 73950), (290, 69615), (306, 65975), (315, 64090), (325, 62118), (350, 57681), (357, 56550), (377, 53550), (390, 51765), (406, 49725), (425, 47502), (435, 46410), (442, 45675), (450, 44863), (455, 44370), (493, 40950), (510, 39585), (522, 38675), (525, 38454), (546, 36975), (585, 34510), (595, 33930), (609, 33150), (630, 32045), (650, 31059), (663, 30450), (714, 28275), (725, 27846), (754, 26775), (765, 26390), (819, 24650), (850, 23751), (870, 23205), (910, 22185), (975, 20706), (986, 20475), (1015, 19890), (1050, 19227), (1071, 18850), (1105, 18270), (1131, 17850), (1170, 17255), (1190, 16965), (1218, 16575), (1275, 15834), (1305, 15470), (1326, 15225), (1365, 14790), (1450, 13923), (1479, 13650), (1530, 13195), (1547, 13050), (1575, 12818), (1638, 12325), (1785, 11310), (1827, 11050), (1885, 10710), (1950, 10353), (1989, 10150), (2030, 9945), (2142, 9425), (2175, 9282), (2210, 9135), (2262, 8925), (2275, 8874), (2465, 8190), (2550, 7917), (2610, 7735), (2639, 7650), (2730, 7395), (2925, 6902), (2958, 6825), (2975, 6786), (3045, 6630), (3094, 6525), (3150, 6409), (3315, 6090), (3393, 5950), (3451, 5850), (3570, 5655), (3654, 5525), (3770, 5355), (3825, 5278), (3978, 5075), (4095, 4930), (4350, 4641), (4437, 4550)]