1564775840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{811}}^1$

素因数の和:1246

約数の個数: 96

約数和(自身を含む): 3830561280

約数和(自身を除く): 2265785440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 389, 496, 620, 778, 811, 992, 1240, 1556, 1622, 1945, 2480, 3112, 3244, 3890, 4055, 4960, 6224, 6488, 7780, 8110, 12059, 12448, 12976, 15560, 16220, 24118, 25141, 25952, 31120, 32440, 48236, 50282, 60295, 62240, 64880, 96472, 100564, 120590, 125705, 129760, 192944, 201128, 241180, 251410, 315479, 385888, 402256, 482360, 502820, 630958, 804512, 964720, 1005640, 1261916, 1577395, 1929440, 2011280, 2523832, 3154790, 4022560, 5047664, 6309580, 9779849, 10095328, 12619160, 19559698, 25238320, 39119396, 48899245, 50476640, 78238792, 97798490, 156477584, 195596980, 312955168, 391193960, 782387920, 1564775840]

約数ペア:

[(1, 1564775840), (2, 782387920), (4, 391193960), (5, 312955168), (8, 195596980), (10, 156477584), (16, 97798490), (20, 78238792), (31, 50476640), (32, 48899245), (40, 39119396), (62, 25238320), (80, 19559698), (124, 12619160), (155, 10095328), (160, 9779849), (248, 6309580), (310, 5047664), (389, 4022560), (496, 3154790), (620, 2523832), (778, 2011280), (811, 1929440), (992, 1577395), (1240, 1261916), (1556, 1005640), (1622, 964720), (1945, 804512), (2480, 630958), (3112, 502820), (3244, 482360), (3890, 402256), (4055, 385888), (4960, 315479), (6224, 251410), (6488, 241180), (7780, 201128), (8110, 192944), (12059, 129760), (12448, 125705), (12976, 120590), (15560, 100564), (16220, 96472), (24118, 64880), (25141, 62240), (25952, 60295), (31120, 50282), (32440, 48236)]