641608240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2843}}^1$

素因数の和:2907

約数の個数: 160

約数和(自身を含む): 1895878656

約数和(自身を除く): 1254270416

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2821, 2843, 3224, 3472, 3640, 4030, 4340, 5642, 5686, 6448, 7280, 8060, 8680, 11284, 11372, 14105, 14215, 16120, 17360, 19901, 22568, 22744, 28210, 28430, 32240, 36959, 39802, 45136, 45488, 56420, 56860, 73918, 79604, 88133, 99505, 112840, 113720, 147836, 159208, 176266, 184795, 199010, 225680, 227440, 258713, 295672, 318416, 352532, 369590, 398020, 440665, 517426, 591344, 616931, 705064, 739180, 796040, 881330, 1034852, 1145729, 1233862, 1293565, 1410128, 1478360, 1592080, 1762660, 2069704, 2291458, 2467724, 2587130, 2956720, 3084655, 3525320, 4139408, 4582916, 4935448, 5174260, 5728645, 6169310, 7050640, 8020103, 9165832, 9870896, 10348520, 11457290, 12338620, 16040206, 18331664, 20697040, 22914580, 24677240, 32080412, 40100515, 45829160, 49354480, 64160824, 80201030, 91658320, 128321648, 160402060, 320804120, 641608240]

約数ペア:

[(1, 641608240), (2, 320804120), (4, 160402060), (5, 128321648), (7, 91658320), (8, 80201030), (10, 64160824), (13, 49354480), (14, 45829160), (16, 40100515), (20, 32080412), (26, 24677240), (28, 22914580), (31, 20697040), (35, 18331664), (40, 16040206), (52, 12338620), (56, 11457290), (62, 10348520), (65, 9870896), (70, 9165832), (80, 8020103), (91, 7050640), (104, 6169310), (112, 5728645), (124, 5174260), (130, 4935448), (140, 4582916), (155, 4139408), (182, 3525320), (208, 3084655), (217, 2956720), (248, 2587130), (260, 2467724), (280, 2291458), (310, 2069704), (364, 1762660), (403, 1592080), (434, 1478360), (455, 1410128), (496, 1293565), (520, 1233862), (560, 1145729), (620, 1034852), (728, 881330), (806, 796040), (868, 739180), (910, 705064), (1040, 616931), (1085, 591344), (1240, 517426), (1456, 440665), (1612, 398020), (1736, 369590), (1820, 352532), (2015, 318416), (2170, 295672), (2480, 258713), (2821, 227440), (2843, 225680), (3224, 199010), (3472, 184795), (3640, 176266), (4030, 159208), (4340, 147836), (5642, 113720), (5686, 112840), (6448, 99505), (7280, 88133), (8060, 79604), (8680, 73918), (11284, 56860), (11372, 56420), (14105, 45488), (14215, 45136), (16120, 39802), (17360, 36959), (19901, 32240), (22568, 28430), (22744, 28210)]