74811780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 239016960

約数和(自身を除く): 164205180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 47, 60, 74, 90, 94, 111, 141, 148, 180, 185, 188, 222, 235, 239, 282, 333, 370, 423, 444, 470, 478, 555, 564, 666, 705, 717, 740, 846, 940, 956, 1110, 1195, 1332, 1410, 1434, 1665, 1692, 1739, 2115, 2151, 2220, 2390, 2820, 2868, 3330, 3478, 3585, 4230, 4302, 4780, 5217, 6660, 6956, 7170, 8460, 8604, 8695, 8843, 10434, 10755, 11233, 14340, 15651, 17390, 17686, 20868, 21510, 22466, 26085, 26529, 31302, 33699, 34780, 35372, 43020, 44215, 44932, 52170, 53058, 56165, 62604, 67398, 78255, 79587, 88430, 101097, 104340, 106116, 112330, 132645, 134796, 156510, 159174, 168495, 176860, 202194, 224660, 265290, 313020, 318348, 336990, 397935, 404388, 415621, 505485, 530580, 673980, 795870, 831242, 1010970, 1246863, 1591740, 1662484, 2021940, 2078105, 2493726, 3740589, 4156210, 4987452, 6234315, 7481178, 8312420, 12468630, 14962356, 18702945, 24937260, 37405890, 74811780]

約数ペア:

[(1, 74811780), (2, 37405890), (3, 24937260), (4, 18702945), (5, 14962356), (6, 12468630), (9, 8312420), (10, 7481178), (12, 6234315), (15, 4987452), (18, 4156210), (20, 3740589), (30, 2493726), (36, 2078105), (37, 2021940), (45, 1662484), (47, 1591740), (60, 1246863), (74, 1010970), (90, 831242), (94, 795870), (111, 673980), (141, 530580), (148, 505485), (180, 415621), (185, 404388), (188, 397935), (222, 336990), (235, 318348), (239, 313020), (282, 265290), (333, 224660), (370, 202194), (423, 176860), (444, 168495), (470, 159174), (478, 156510), (555, 134796), (564, 132645), (666, 112330), (705, 106116), (717, 104340), (740, 101097), (846, 88430), (940, 79587), (956, 78255), (1110, 67398), (1195, 62604), (1332, 56165), (1410, 53058), (1434, 52170), (1665, 44932), (1692, 44215), (1739, 43020), (2115, 35372), (2151, 34780), (2220, 33699), (2390, 31302), (2820, 26529), (2868, 26085), (3330, 22466), (3478, 21510), (3585, 20868), (4230, 17686), (4302, 17390), (4780, 15651), (5217, 14340), (6660, 11233), (6956, 10755), (7170, 10434), (8460, 8843), (8604, 8695)]