161764740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 510898752

約数和(自身を除く): 349134012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 107, 111, 148, 180, 185, 214, 222, 227, 321, 333, 370, 428, 444, 454, 535, 555, 642, 666, 681, 740, 908, 963, 1070, 1110, 1135, 1284, 1332, 1362, 1605, 1665, 1926, 2043, 2140, 2220, 2270, 2724, 3210, 3330, 3405, 3852, 3959, 4086, 4540, 4815, 6420, 6660, 6810, 7918, 8172, 8399, 9630, 10215, 11877, 13620, 15836, 16798, 19260, 19795, 20430, 23754, 24289, 25197, 33596, 35631, 39590, 40860, 41995, 47508, 48578, 50394, 59385, 71262, 72867, 75591, 79180, 83990, 97156, 100788, 118770, 121445, 125985, 142524, 145734, 151182, 167980, 178155, 218601, 237540, 242890, 251970, 291468, 302364, 356310, 364335, 377955, 437202, 485780, 503940, 712620, 728670, 755910, 874404, 898693, 1093005, 1457340, 1511820, 1797386, 2186010, 2696079, 3594772, 4372020, 4493465, 5392158, 8088237, 8986930, 10784316, 13480395, 16176474, 17973860, 26960790, 32352948, 40441185, 53921580, 80882370, 161764740]

約数ペア:

[(1, 161764740), (2, 80882370), (3, 53921580), (4, 40441185), (5, 32352948), (6, 26960790), (9, 17973860), (10, 16176474), (12, 13480395), (15, 10784316), (18, 8986930), (20, 8088237), (30, 5392158), (36, 4493465), (37, 4372020), (45, 3594772), (60, 2696079), (74, 2186010), (90, 1797386), (107, 1511820), (111, 1457340), (148, 1093005), (180, 898693), (185, 874404), (214, 755910), (222, 728670), (227, 712620), (321, 503940), (333, 485780), (370, 437202), (428, 377955), (444, 364335), (454, 356310), (535, 302364), (555, 291468), (642, 251970), (666, 242890), (681, 237540), (740, 218601), (908, 178155), (963, 167980), (1070, 151182), (1110, 145734), (1135, 142524), (1284, 125985), (1332, 121445), (1362, 118770), (1605, 100788), (1665, 97156), (1926, 83990), (2043, 79180), (2140, 75591), (2220, 72867), (2270, 71262), (2724, 59385), (3210, 50394), (3330, 48578), (3405, 47508), (3852, 41995), (3959, 40860), (4086, 39590), (4540, 35631), (4815, 33596), (6420, 25197), (6660, 24289), (6810, 23754), (7918, 20430), (8172, 19795), (8399, 19260), (9630, 16798), (10215, 15836), (11877, 13620)]