181868320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1074

約数の個数: 96

約数和(自身を含む): 455970816

約数和(自身を除く): 274102496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 124, 148, 155, 160, 185, 248, 296, 310, 370, 496, 592, 620, 740, 991, 992, 1147, 1184, 1240, 1480, 1982, 2294, 2480, 2960, 3964, 4588, 4955, 4960, 5735, 5920, 7928, 9176, 9910, 11470, 15856, 18352, 19820, 22940, 30721, 31712, 36667, 36704, 39640, 45880, 61442, 73334, 79280, 91760, 122884, 146668, 153605, 158560, 183335, 183520, 245768, 293336, 307210, 366670, 491536, 586672, 614420, 733340, 983072, 1136677, 1173344, 1228840, 1466680, 2273354, 2457680, 2933360, 4546708, 4915360, 5683385, 5866720, 9093416, 11366770, 18186832, 22733540, 36373664, 45467080, 90934160, 181868320]

約数ペア:

[(1, 181868320), (2, 90934160), (4, 45467080), (5, 36373664), (8, 22733540), (10, 18186832), (16, 11366770), (20, 9093416), (31, 5866720), (32, 5683385), (37, 4915360), (40, 4546708), (62, 2933360), (74, 2457680), (80, 2273354), (124, 1466680), (148, 1228840), (155, 1173344), (160, 1136677), (185, 983072), (248, 733340), (296, 614420), (310, 586672), (370, 491536), (496, 366670), (592, 307210), (620, 293336), (740, 245768), (991, 183520), (992, 183335), (1147, 158560), (1184, 153605), (1240, 146668), (1480, 122884), (1982, 91760), (2294, 79280), (2480, 73334), (2960, 61442), (3964, 45880), (4588, 39640), (4955, 36704), (4960, 36667), (5735, 31712), (5920, 30721), (7928, 22940), (9176, 19820), (9910, 18352), (11470, 15856)]