89481420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1511}}^1$

素因数の和:1580

約数の個数: 144

約数和(自身を含む): 317011968

約数和(自身を除く): 227530548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1511, 1645, 1692, 1974, 2115, 2820, 2961, 3022, 3290, 3948, 4230, 4533, 4935, 5922, 6044, 6580, 7555, 8460, 9066, 9870, 10577, 11844, 13599, 14805, 15110, 18132, 19740, 21154, 22665, 27198, 29610, 30220, 31731, 42308, 45330, 52885, 54396, 59220, 63462, 67995, 71017, 90660, 95193, 105770, 126924, 135990, 142034, 158655, 190386, 211540, 213051, 271980, 284068, 317310, 355085, 380772, 426102, 475965, 497119, 634620, 639153, 710170, 852204, 951930, 994238, 1065255, 1278306, 1420340, 1491357, 1903860, 1988476, 2130510, 2485595, 2556612, 2982714, 3195765, 4261020, 4474071, 4971190, 5965428, 6391530, 7456785, 8948142, 9942380, 12783060, 14913570, 17896284, 22370355, 29827140, 44740710, 89481420]

約数ペア:

[(1, 89481420), (2, 44740710), (3, 29827140), (4, 22370355), (5, 17896284), (6, 14913570), (7, 12783060), (9, 9942380), (10, 8948142), (12, 7456785), (14, 6391530), (15, 5965428), (18, 4971190), (20, 4474071), (21, 4261020), (28, 3195765), (30, 2982714), (35, 2556612), (36, 2485595), (42, 2130510), (45, 1988476), (47, 1903860), (60, 1491357), (63, 1420340), (70, 1278306), (84, 1065255), (90, 994238), (94, 951930), (105, 852204), (126, 710170), (140, 639153), (141, 634620), (180, 497119), (188, 475965), (210, 426102), (235, 380772), (252, 355085), (282, 317310), (315, 284068), (329, 271980), (420, 213051), (423, 211540), (470, 190386), (564, 158655), (630, 142034), (658, 135990), (705, 126924), (846, 105770), (940, 95193), (987, 90660), (1260, 71017), (1316, 67995), (1410, 63462), (1511, 59220), (1645, 54396), (1692, 52885), (1974, 45330), (2115, 42308), (2820, 31731), (2961, 30220), (3022, 29610), (3290, 27198), (3948, 22665), (4230, 21154), (4533, 19740), (4935, 18132), (5922, 15110), (6044, 14805), (6580, 13599), (7555, 11844), (8460, 10577), (9066, 9870)]