648565260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:616

約数の個数: 192

約数和(自身を含む): 2166743040

約数和(自身を除く): 1518177780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 109, 124, 140, 155, 186, 210, 217, 218, 310, 327, 372, 420, 434, 436, 457, 465, 545, 620, 651, 654, 763, 868, 914, 930, 1085, 1090, 1302, 1308, 1371, 1526, 1635, 1828, 1860, 2170, 2180, 2285, 2289, 2604, 2742, 3052, 3199, 3255, 3270, 3379, 3815, 4340, 4570, 4578, 5484, 6398, 6510, 6540, 6758, 6855, 7630, 9140, 9156, 9597, 10137, 11445, 12796, 13020, 13516, 13710, 14167, 15260, 15995, 16895, 19194, 20274, 22890, 23653, 27420, 28334, 31990, 33790, 38388, 40548, 42501, 45780, 47306, 47985, 49813, 50685, 56668, 63980, 67580, 70835, 70959, 85002, 94612, 95970, 99169, 99626, 101370, 118265, 141670, 141918, 149439, 170004, 191940, 198338, 199252, 202740, 212505, 236530, 249065, 283340, 283836, 297507, 298878, 348691, 354795, 396676, 425010, 473060, 495845, 498130, 595014, 597756, 697382, 709590, 747195, 850020, 991690, 996260, 1046073, 1190028, 1394764, 1419180, 1487535, 1494390, 1544203, 1743455, 1983380, 2092146, 2975070, 2988780, 3088406, 3486910, 4184292, 4632609, 5230365, 5950140, 6176812, 6973820, 7721015, 9265218, 10460730, 10809421, 15442030, 18530436, 20921460, 21618842, 23163045, 30884060, 32428263, 43237684, 46326090, 54047105, 64856526, 92652180, 108094210, 129713052, 162141315, 216188420, 324282630, 648565260]

約数ペア:

[(1, 648565260), (2, 324282630), (3, 216188420), (4, 162141315), (5, 129713052), (6, 108094210), (7, 92652180), (10, 64856526), (12, 54047105), (14, 46326090), (15, 43237684), (20, 32428263), (21, 30884060), (28, 23163045), (30, 21618842), (31, 20921460), (35, 18530436), (42, 15442030), (60, 10809421), (62, 10460730), (70, 9265218), (84, 7721015), (93, 6973820), (105, 6176812), (109, 5950140), (124, 5230365), (140, 4632609), (155, 4184292), (186, 3486910), (210, 3088406), (217, 2988780), (218, 2975070), (310, 2092146), (327, 1983380), (372, 1743455), (420, 1544203), (434, 1494390), (436, 1487535), (457, 1419180), (465, 1394764), (545, 1190028), (620, 1046073), (651, 996260), (654, 991690), (763, 850020), (868, 747195), (914, 709590), (930, 697382), (1085, 597756), (1090, 595014), (1302, 498130), (1308, 495845), (1371, 473060), (1526, 425010), (1635, 396676), (1828, 354795), (1860, 348691), (2170, 298878), (2180, 297507), (2285, 283836), (2289, 283340), (2604, 249065), (2742, 236530), (3052, 212505), (3199, 202740), (3255, 199252), (3270, 198338), (3379, 191940), (3815, 170004), (4340, 149439), (4570, 141918), (4578, 141670), (5484, 118265), (6398, 101370), (6510, 99626), (6540, 99169), (6758, 95970), (6855, 94612), (7630, 85002), (9140, 70959), (9156, 70835), (9597, 67580), (10137, 63980), (11445, 56668), (12796, 50685), (13020, 49813), (13516, 47985), (13710, 47306), (14167, 45780), (15260, 42501), (15995, 40548), (16895, 38388), (19194, 33790), (20274, 31990), (22890, 28334), (23653, 27420)]