39181520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 112183296

約数和(自身を除く): 73001776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 37, 40, 56, 61, 62, 70, 74, 80, 112, 122, 124, 140, 148, 155, 185, 217, 244, 248, 259, 280, 296, 305, 310, 370, 427, 434, 488, 496, 518, 560, 592, 610, 620, 740, 854, 868, 976, 1036, 1085, 1147, 1220, 1240, 1295, 1480, 1708, 1736, 1891, 2072, 2135, 2170, 2257, 2294, 2440, 2480, 2590, 2960, 3416, 3472, 3782, 4144, 4270, 4340, 4514, 4588, 4880, 5180, 5735, 6832, 7564, 8029, 8540, 8680, 9028, 9176, 9455, 10360, 11285, 11470, 13237, 15128, 15799, 16058, 17080, 17360, 18056, 18352, 18910, 20720, 22570, 22940, 26474, 30256, 31598, 32116, 34160, 36112, 37820, 40145, 45140, 45880, 52948, 63196, 64232, 66185, 69967, 75640, 78995, 80290, 90280, 91760, 105896, 126392, 128464, 132370, 139934, 151280, 157990, 160580, 180560, 211792, 252784, 264740, 279868, 315980, 321160, 349835, 489769, 529480, 559736, 631960, 642320, 699670, 979538, 1058960, 1119472, 1263920, 1399340, 1959076, 2448845, 2798680, 3918152, 4897690, 5597360, 7836304, 9795380, 19590760, 39181520]

約数ペア:

[(1, 39181520), (2, 19590760), (4, 9795380), (5, 7836304), (7, 5597360), (8, 4897690), (10, 3918152), (14, 2798680), (16, 2448845), (20, 1959076), (28, 1399340), (31, 1263920), (35, 1119472), (37, 1058960), (40, 979538), (56, 699670), (61, 642320), (62, 631960), (70, 559736), (74, 529480), (80, 489769), (112, 349835), (122, 321160), (124, 315980), (140, 279868), (148, 264740), (155, 252784), (185, 211792), (217, 180560), (244, 160580), (248, 157990), (259, 151280), (280, 139934), (296, 132370), (305, 128464), (310, 126392), (370, 105896), (427, 91760), (434, 90280), (488, 80290), (496, 78995), (518, 75640), (560, 69967), (592, 66185), (610, 64232), (620, 63196), (740, 52948), (854, 45880), (868, 45140), (976, 40145), (1036, 37820), (1085, 36112), (1147, 34160), (1220, 32116), (1240, 31598), (1295, 30256), (1480, 26474), (1708, 22940), (1736, 22570), (1891, 20720), (2072, 18910), (2135, 18352), (2170, 18056), (2257, 17360), (2294, 17080), (2440, 16058), (2480, 15799), (2590, 15128), (2960, 13237), (3416, 11470), (3472, 11285), (3782, 10360), (4144, 9455), (4270, 9176), (4340, 9028), (4514, 8680), (4588, 8540), (4880, 8029), (5180, 7564), (5735, 6832)]