64622640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{509}}^1$

素因数の和:571

約数の個数: 120

約数和(自身を含む): 209830320

約数和(自身を除く): 145207680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 509, 529, 552, 690, 920, 1018, 1058, 1104, 1380, 1527, 1587, 1840, 2036, 2116, 2545, 2645, 2760, 3054, 3174, 4072, 4232, 5090, 5290, 5520, 6108, 6348, 7635, 7935, 8144, 8464, 10180, 10580, 11707, 12216, 12696, 15270, 15870, 20360, 21160, 23414, 24432, 25392, 30540, 31740, 35121, 40720, 42320, 46828, 58535, 61080, 63480, 70242, 93656, 117070, 122160, 126960, 140484, 175605, 187312, 234140, 269261, 280968, 351210, 468280, 538522, 561936, 702420, 807783, 936560, 1077044, 1346305, 1404840, 1615566, 2154088, 2692610, 2809680, 3231132, 4038915, 4308176, 5385220, 6462264, 8077830, 10770440, 12924528, 16155660, 21540880, 32311320, 64622640]

約数ペア:

[(1, 64622640), (2, 32311320), (3, 21540880), (4, 16155660), (5, 12924528), (6, 10770440), (8, 8077830), (10, 6462264), (12, 5385220), (15, 4308176), (16, 4038915), (20, 3231132), (23, 2809680), (24, 2692610), (30, 2154088), (40, 1615566), (46, 1404840), (48, 1346305), (60, 1077044), (69, 936560), (80, 807783), (92, 702420), (115, 561936), (120, 538522), (138, 468280), (184, 351210), (230, 280968), (240, 269261), (276, 234140), (345, 187312), (368, 175605), (460, 140484), (509, 126960), (529, 122160), (552, 117070), (690, 93656), (920, 70242), (1018, 63480), (1058, 61080), (1104, 58535), (1380, 46828), (1527, 42320), (1587, 40720), (1840, 35121), (2036, 31740), (2116, 30540), (2545, 25392), (2645, 24432), (2760, 23414), (3054, 21160), (3174, 20360), (4072, 15870), (4232, 15270), (5090, 12696), (5290, 12216), (5520, 11707), (6108, 10580), (6348, 10180), (7635, 8464), (7935, 8144)]