21870205320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1\times {\mathrm{7043}}^1$

素因数の和:7399

約数の個数: 128

約数和(自身を含む): 66489724800

約数和(自身を除く): 44619519480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 229, 339, 452, 458, 565, 678, 687, 904, 916, 1130, 1145, 1356, 1374, 1695, 1832, 2260, 2290, 2712, 2748, 3390, 3435, 4520, 4580, 5496, 6780, 6870, 7043, 9160, 13560, 13740, 14086, 21129, 25877, 27480, 28172, 35215, 42258, 51754, 56344, 70430, 77631, 84516, 103508, 105645, 129385, 140860, 155262, 169032, 207016, 211290, 258770, 281720, 310524, 388155, 422580, 517540, 621048, 776310, 795859, 845160, 1035080, 1552620, 1591718, 1612847, 2387577, 3105240, 3183436, 3225694, 3979295, 4775154, 4838541, 6366872, 6451388, 7958590, 8064235, 9550308, 9677082, 11937885, 12902776, 15917180, 16128470, 19100616, 19354164, 23875770, 24192705, 31834360, 32256940, 38708328, 47751540, 48385410, 64513880, 95503080, 96770820, 182251711, 193541640, 364503422, 546755133, 729006844, 911258555, 1093510266, 1458013688, 1822517110, 2187020532, 2733775665, 3645034220, 4374041064, 5467551330, 7290068440, 10935102660, 21870205320]

約数ペア:

[(1, 21870205320), (2, 10935102660), (3, 7290068440), (4, 5467551330), (5, 4374041064), (6, 3645034220), (8, 2733775665), (10, 2187020532), (12, 1822517110), (15, 1458013688), (20, 1093510266), (24, 911258555), (30, 729006844), (40, 546755133), (60, 364503422), (113, 193541640), (120, 182251711), (226, 96770820), (229, 95503080), (339, 64513880), (452, 48385410), (458, 47751540), (565, 38708328), (678, 32256940), (687, 31834360), (904, 24192705), (916, 23875770), (1130, 19354164), (1145, 19100616), (1356, 16128470), (1374, 15917180), (1695, 12902776), (1832, 11937885), (2260, 9677082), (2290, 9550308), (2712, 8064235), (2748, 7958590), (3390, 6451388), (3435, 6366872), (4520, 4838541), (4580, 4775154), (5496, 3979295), (6780, 3225694), (6870, 3183436), (7043, 3105240), (9160, 2387577), (13560, 1612847), (13740, 1591718), (14086, 1552620), (21129, 1035080), (25877, 845160), (27480, 795859), (28172, 776310), (35215, 621048), (42258, 517540), (51754, 422580), (56344, 388155), (70430, 310524), (77631, 281720), (84516, 258770), (103508, 211290), (105645, 207016), (129385, 169032), (140860, 155262)]