31021379920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{613}}^1$

素因数の和:1029

約数の個数: 160

約数和(自身を含む): 75736438272

約数和(自身を除く): 44715058352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 172, 188, 215, 235, 313, 344, 376, 430, 470, 613, 626, 688, 752, 860, 940, 1226, 1252, 1565, 1720, 1880, 2021, 2452, 2504, 3065, 3130, 3440, 3760, 4042, 4904, 5008, 6130, 6260, 8084, 9808, 10105, 12260, 12520, 13459, 14711, 16168, 20210, 24520, 25040, 26359, 26918, 28811, 29422, 32336, 40420, 49040, 52718, 53836, 57622, 58844, 67295, 73555, 80840, 105436, 107672, 115244, 117688, 131795, 134590, 144055, 147110, 161680, 191869, 210872, 215344, 230488, 235376, 263590, 269180, 288110, 294220, 383738, 421744, 460976, 527180, 538360, 576220, 588440, 632573, 767476, 959345, 1054360, 1076720, 1152440, 1176880, 1238873, 1265146, 1534952, 1918690, 2108720, 2304880, 2477746, 2530292, 3069904, 3162865, 3837380, 4955492, 5060584, 6194365, 6325730, 7674760, 8250367, 9017843, 9910984, 10121168, 12388730, 12651460, 15349520, 16500734, 18035686, 19821968, 24777460, 25302920, 33001468, 36071372, 41251835, 45089215, 49554920, 50605840, 66002936, 72142744, 82503670, 90178430, 99109840, 132005872, 144285488, 165007340, 180356860, 330014680, 360713720, 387767249, 660029360, 721427440, 775534498, 1551068996, 1938836245, 3102137992, 3877672490, 6204275984, 7755344980, 15510689960, 31021379920]

約数ペア:

[(1, 31021379920), (2, 15510689960), (4, 7755344980), (5, 6204275984), (8, 3877672490), (10, 3102137992), (16, 1938836245), (20, 1551068996), (40, 775534498), (43, 721427440), (47, 660029360), (80, 387767249), (86, 360713720), (94, 330014680), (172, 180356860), (188, 165007340), (215, 144285488), (235, 132005872), (313, 99109840), (344, 90178430), (376, 82503670), (430, 72142744), (470, 66002936), (613, 50605840), (626, 49554920), (688, 45089215), (752, 41251835), (860, 36071372), (940, 33001468), (1226, 25302920), (1252, 24777460), (1565, 19821968), (1720, 18035686), (1880, 16500734), (2021, 15349520), (2452, 12651460), (2504, 12388730), (3065, 10121168), (3130, 9910984), (3440, 9017843), (3760, 8250367), (4042, 7674760), (4904, 6325730), (5008, 6194365), (6130, 5060584), (6260, 4955492), (8084, 3837380), (9808, 3162865), (10105, 3069904), (12260, 2530292), (12520, 2477746), (13459, 2304880), (14711, 2108720), (16168, 1918690), (20210, 1534952), (24520, 1265146), (25040, 1238873), (26359, 1176880), (26918, 1152440), (28811, 1076720), (29422, 1054360), (32336, 959345), (40420, 767476), (49040, 632573), (52718, 588440), (53836, 576220), (57622, 538360), (58844, 527180), (67295, 460976), (73555, 421744), (80840, 383738), (105436, 294220), (107672, 288110), (115244, 269180), (117688, 263590), (131795, 235376), (134590, 230488), (144055, 215344), (147110, 210872), (161680, 191869)]