245648340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 288

約数和(自身を含む): 928112640

約数和(自身を除く): 682464300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 31, 35, 36, 38, 42, 45, 57, 60, 62, 63, 70, 76, 84, 90, 93, 95, 105, 114, 124, 126, 133, 140, 155, 171, 180, 186, 190, 210, 217, 228, 252, 266, 279, 285, 310, 315, 331, 342, 372, 380, 399, 420, 434, 465, 532, 558, 570, 589, 620, 630, 651, 662, 665, 684, 798, 855, 868, 930, 993, 1085, 1116, 1140, 1178, 1197, 1260, 1302, 1324, 1330, 1395, 1596, 1655, 1710, 1767, 1860, 1953, 1986, 1995, 2170, 2317, 2356, 2394, 2604, 2660, 2790, 2945, 2979, 3255, 3310, 3420, 3534, 3906, 3972, 3990, 4123, 4340, 4634, 4788, 4965, 5301, 5580, 5890, 5958, 5985, 6289, 6510, 6620, 6951, 7068, 7812, 7980, 8246, 8835, 9268, 9765, 9930, 10261, 10602, 11585, 11780, 11916, 11970, 12369, 12578, 13020, 13902, 14895, 16492, 17670, 18867, 19530, 19860, 20522, 20615, 20853, 21204, 23170, 23940, 24738, 25156, 26505, 27804, 29790, 30783, 31445, 34755, 35340, 37107, 37734, 39060, 41044, 41230, 41706, 44023, 46340, 49476, 51305, 53010, 56601, 59580, 61566, 61845, 62890, 69510, 71827, 74214, 75468, 82460, 83412, 88046, 92349, 94335, 102610, 104265, 106020, 113202, 123132, 123690, 125780, 132069, 139020, 143654, 148428, 153915, 176092, 184698, 185535, 188670, 194959, 205220, 208530, 215481, 220115, 226404, 247380, 264138, 283005, 287308, 307830, 359135, 369396, 371070, 377340, 389918, 396207, 417060, 430962, 440230, 461745, 528276, 566010, 584877, 615660, 646443, 660345, 718270, 742140, 779836, 792414, 861924, 880460, 923490, 974795, 1077405, 1132020, 1169754, 1292886, 1320690, 1364713, 1436540, 1584828, 1754631, 1846980, 1949590, 1981035, 2154810, 2339508, 2585772, 2641380, 2729426, 2924385, 3232215, 3509262, 3899180, 3962070, 4094139, 4309620, 5458852, 5848770, 6464430, 6823565, 7018524, 7924140, 8188278, 8773155, 11697540, 12282417, 12928860, 13647130, 16376556, 17546310, 20470695, 24564834, 27294260, 35092620, 40941390, 49129668, 61412085, 81882780, 122824170, 245648340]

約数ペア:

[(1, 245648340), (2, 122824170), (3, 81882780), (4, 61412085), (5, 49129668), (6, 40941390), (7, 35092620), (9, 27294260), (10, 24564834), (12, 20470695), (14, 17546310), (15, 16376556), (18, 13647130), (19, 12928860), (20, 12282417), (21, 11697540), (28, 8773155), (30, 8188278), (31, 7924140), (35, 7018524), (36, 6823565), (38, 6464430), (42, 5848770), (45, 5458852), (57, 4309620), (60, 4094139), (62, 3962070), (63, 3899180), (70, 3509262), (76, 3232215), (84, 2924385), (90, 2729426), (93, 2641380), (95, 2585772), (105, 2339508), (114, 2154810), (124, 1981035), (126, 1949590), (133, 1846980), (140, 1754631), (155, 1584828), (171, 1436540), (180, 1364713), (186, 1320690), (190, 1292886), (210, 1169754), (217, 1132020), (228, 1077405), (252, 974795), (266, 923490), (279, 880460), (285, 861924), (310, 792414), (315, 779836), (331, 742140), (342, 718270), (372, 660345), (380, 646443), (399, 615660), (420, 584877), (434, 566010), (465, 528276), (532, 461745), (558, 440230), (570, 430962), (589, 417060), (620, 396207), (630, 389918), (651, 377340), (662, 371070), (665, 369396), (684, 359135), (798, 307830), (855, 287308), (868, 283005), (930, 264138), (993, 247380), (1085, 226404), (1116, 220115), (1140, 215481), (1178, 208530), (1197, 205220), (1260, 194959), (1302, 188670), (1324, 185535), (1330, 184698), (1395, 176092), (1596, 153915), (1655, 148428), (1710, 143654), (1767, 139020), (1860, 132069), (1953, 125780), (1986, 123690), (1995, 123132), (2170, 113202), (2317, 106020), (2356, 104265), (2394, 102610), (2604, 94335), (2660, 92349), (2790, 88046), (2945, 83412), (2979, 82460), (3255, 75468), (3310, 74214), (3420, 71827), (3534, 69510), (3906, 62890), (3972, 61845), (3990, 61566), (4123, 59580), (4340, 56601), (4634, 53010), (4788, 51305), (4965, 49476), (5301, 46340), (5580, 44023), (5890, 41706), (5958, 41230), (5985, 41044), (6289, 39060), (6510, 37734), (6620, 37107), (6951, 35340), (7068, 34755), (7812, 31445), (7980, 30783), (8246, 29790), (8835, 27804), (9268, 26505), (9765, 25156), (9930, 24738), (10261, 23940), (10602, 23170), (11585, 21204), (11780, 20853), (11916, 20615), (11970, 20522), (12369, 19860), (12578, 19530), (13020, 18867), (13902, 17670), (14895, 16492)]