388756680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 256

約数和(自身を含む): 1352090880

約数和(自身を除く): 963334200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 107, 120, 130, 136, 137, 156, 170, 195, 204, 214, 221, 255, 260, 274, 312, 321, 340, 390, 408, 411, 428, 442, 510, 520, 535, 548, 642, 663, 680, 685, 780, 822, 856, 884, 1020, 1070, 1096, 1105, 1284, 1326, 1370, 1391, 1560, 1605, 1644, 1768, 1781, 1819, 2040, 2055, 2140, 2210, 2329, 2568, 2652, 2740, 2782, 3210, 3288, 3315, 3562, 3638, 4110, 4173, 4280, 4420, 4658, 5304, 5343, 5457, 5480, 5564, 6420, 6630, 6955, 6987, 7124, 7276, 8220, 8346, 8840, 8905, 9095, 9316, 10686, 10914, 11128, 11645, 12840, 13260, 13910, 13974, 14248, 14552, 14659, 16440, 16692, 17810, 18190, 18632, 20865, 21372, 21828, 23290, 23647, 26520, 26715, 27285, 27820, 27948, 29318, 30277, 33384, 34935, 35620, 36380, 41730, 42744, 43656, 43977, 46580, 47294, 53430, 54570, 55640, 55896, 58636, 60554, 69870, 70941, 71240, 72760, 73295, 83460, 87954, 90831, 93160, 94588, 106860, 109140, 117272, 118235, 121108, 139740, 141882, 146590, 151385, 166920, 175908, 181662, 189176, 190567, 213720, 218280, 219885, 236470, 242216, 249203, 279480, 283764, 293180, 302770, 351816, 354705, 363324, 381134, 439770, 454155, 472940, 498406, 567528, 571701, 586360, 605540, 709410, 726648, 747609, 762268, 879540, 908310, 945880, 952835, 996812, 1143402, 1211080, 1246015, 1418820, 1495218, 1524536, 1759080, 1816620, 1905670, 1993624, 2286804, 2492030, 2837640, 2858505, 2990436, 3239639, 3633240, 3738045, 3811340, 4573608, 4984060, 5717010, 5980872, 6479278, 7476090, 7622680, 9718917, 9968120, 11434020, 12958556, 14952180, 16198195, 19437834, 22868040, 25917112, 29904360, 32396390, 38875668, 48594585, 64792780, 77751336, 97189170, 129585560, 194378340, 388756680]

約数ペア:

[(1, 388756680), (2, 194378340), (3, 129585560), (4, 97189170), (5, 77751336), (6, 64792780), (8, 48594585), (10, 38875668), (12, 32396390), (13, 29904360), (15, 25917112), (17, 22868040), (20, 19437834), (24, 16198195), (26, 14952180), (30, 12958556), (34, 11434020), (39, 9968120), (40, 9718917), (51, 7622680), (52, 7476090), (60, 6479278), (65, 5980872), (68, 5717010), (78, 4984060), (85, 4573608), (102, 3811340), (104, 3738045), (107, 3633240), (120, 3239639), (130, 2990436), (136, 2858505), (137, 2837640), (156, 2492030), (170, 2286804), (195, 1993624), (204, 1905670), (214, 1816620), (221, 1759080), (255, 1524536), (260, 1495218), (274, 1418820), (312, 1246015), (321, 1211080), (340, 1143402), (390, 996812), (408, 952835), (411, 945880), (428, 908310), (442, 879540), (510, 762268), (520, 747609), (535, 726648), (548, 709410), (642, 605540), (663, 586360), (680, 571701), (685, 567528), (780, 498406), (822, 472940), (856, 454155), (884, 439770), (1020, 381134), (1070, 363324), (1096, 354705), (1105, 351816), (1284, 302770), (1326, 293180), (1370, 283764), (1391, 279480), (1560, 249203), (1605, 242216), (1644, 236470), (1768, 219885), (1781, 218280), (1819, 213720), (2040, 190567), (2055, 189176), (2140, 181662), (2210, 175908), (2329, 166920), (2568, 151385), (2652, 146590), (2740, 141882), (2782, 139740), (3210, 121108), (3288, 118235), (3315, 117272), (3562, 109140), (3638, 106860), (4110, 94588), (4173, 93160), (4280, 90831), (4420, 87954), (4658, 83460), (5304, 73295), (5343, 72760), (5457, 71240), (5480, 70941), (5564, 69870), (6420, 60554), (6630, 58636), (6955, 55896), (6987, 55640), (7124, 54570), (7276, 53430), (8220, 47294), (8346, 46580), (8840, 43977), (8905, 43656), (9095, 42744), (9316, 41730), (10686, 36380), (10914, 35620), (11128, 34935), (11645, 33384), (12840, 30277), (13260, 29318), (13910, 27948), (13974, 27820), (14248, 27285), (14552, 26715), (14659, 26520), (16440, 23647), (16692, 23290), (17810, 21828), (18190, 21372), (18632, 20865)]