18978326640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{289657}}^1$

素因数の和:289696

約数の個数: 240

約数和(自身を含む): 78444020928

約数和(自身を除く): 59465694288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 4095, 4368, 4680, 5040, 5460, 6552, 7280, 8190, 9360, 10920, 13104, 16380, 21840, 32760, 65520, 289657, 579314, 868971, 1158628, 1448285, 1737942, 2027599, 2317256, 2606913, 2896570, 3475884, 3765541, 4055198, 4344855, 4634512, 5213826, 5793140, 6082797, 6951768, 7531082, 8110396, 8689710, 10137995, 10427652, 11296623, 11586280, 12165594, 13034565, 13903536, 15062164, 16220792, 17379420, 18248391, 18827705, 20275990, 20855304, 22593246, 23172560, 24331188, 26069130, 26358787, 30124328, 30413985, 32441584, 33889869, 34758840, 36496782, 37655410, 40551980, 41710608, 45186492, 48662376, 52138260, 52717574, 56483115, 60248656, 60827970, 67779738, 69517680, 72993564, 75310820, 79076361, 81103960, 90372984, 91241955, 97324752, 104276520, 105435148, 112966230, 121655940, 131793935, 135559476, 145987128, 150621640, 158152722, 162207920, 169449345, 180745968, 182483910, 208553040, 210870296, 225932460, 237229083, 243311880, 263587870, 271118952, 291974256, 301243280, 316305444, 338898690, 364967820, 395381805, 421740592, 451864920, 474458166, 486623760, 527175740, 542237904, 632610888, 677797380, 729935640, 790763610, 903729840, 948916332, 1054351480, 1186145415, 1265221776, 1355594760, 1459871280, 1581527220, 1897832664, 2108702960, 2372290830, 2711189520, 3163054440, 3795665328, 4744581660, 6326108880, 9489163320, 18978326640]

約数ペア:

[(1, 18978326640), (2, 9489163320), (3, 6326108880), (4, 4744581660), (5, 3795665328), (6, 3163054440), (7, 2711189520), (8, 2372290830), (9, 2108702960), (10, 1897832664), (12, 1581527220), (13, 1459871280), (14, 1355594760), (15, 1265221776), (16, 1186145415), (18, 1054351480), (20, 948916332), (21, 903729840), (24, 790763610), (26, 729935640), (28, 677797380), (30, 632610888), (35, 542237904), (36, 527175740), (39, 486623760), (40, 474458166), (42, 451864920), (45, 421740592), (48, 395381805), (52, 364967820), (56, 338898690), (60, 316305444), (63, 301243280), (65, 291974256), (70, 271118952), (72, 263587870), (78, 243311880), (80, 237229083), (84, 225932460), (90, 210870296), (91, 208553040), (104, 182483910), (105, 180745968), (112, 169449345), (117, 162207920), (120, 158152722), (126, 150621640), (130, 145987128), (140, 135559476), (144, 131793935), (156, 121655940), (168, 112966230), (180, 105435148), (182, 104276520), (195, 97324752), (208, 91241955), (210, 90372984), (234, 81103960), (240, 79076361), (252, 75310820), (260, 72993564), (273, 69517680), (280, 67779738), (312, 60827970), (315, 60248656), (336, 56483115), (360, 52717574), (364, 52138260), (390, 48662376), (420, 45186492), (455, 41710608), (468, 40551980), (504, 37655410), (520, 36496782), (546, 34758840), (560, 33889869), (585, 32441584), (624, 30413985), (630, 30124328), (720, 26358787), (728, 26069130), (780, 24331188), (819, 23172560), (840, 22593246), (910, 20855304), (936, 20275990), (1008, 18827705), (1040, 18248391), (1092, 17379420), (1170, 16220792), (1260, 15062164), (1365, 13903536), (1456, 13034565), (1560, 12165594), (1638, 11586280), (1680, 11296623), (1820, 10427652), (1872, 10137995), (2184, 8689710), (2340, 8110396), (2520, 7531082), (2730, 6951768), (3120, 6082797), (3276, 5793140), (3640, 5213826), (4095, 4634512), (4368, 4344855), (4680, 4055198), (5040, 3765541), (5460, 3475884), (6552, 2896570), (7280, 2606913), (8190, 2317256), (9360, 2027599), (10920, 1737942), (13104, 1448285), (16380, 1158628), (21840, 868971), (32760, 579314), (65520, 289657)]