78325120

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:372

約数の個数: 128

約数和(自身を含む): 207541440

約数和(自身を除く): 129216320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 128, 136, 160, 170, 184, 230, 272, 313, 320, 340, 368, 391, 460, 544, 626, 640, 680, 736, 782, 920, 1088, 1252, 1360, 1472, 1564, 1565, 1840, 1955, 2176, 2504, 2720, 2944, 3128, 3130, 3680, 3910, 5008, 5321, 5440, 6256, 6260, 7199, 7360, 7820, 10016, 10642, 10880, 12512, 12520, 14398, 14720, 15640, 20032, 21284, 25024, 25040, 26605, 28796, 31280, 35995, 40064, 42568, 50048, 50080, 53210, 57592, 62560, 71990, 85136, 100160, 106420, 115184, 122383, 125120, 143980, 170272, 200320, 212840, 230368, 244766, 250240, 287960, 340544, 425680, 460736, 489532, 575920, 611915, 681088, 851360, 921472, 979064, 1151840, 1223830, 1702720, 1958128, 2303680, 2447660, 3405440, 3916256, 4607360, 4895320, 7832512, 9790640, 15665024, 19581280, 39162560, 78325120]

約数ペア:

[(1, 78325120), (2, 39162560), (4, 19581280), (5, 15665024), (8, 9790640), (10, 7832512), (16, 4895320), (17, 4607360), (20, 3916256), (23, 3405440), (32, 2447660), (34, 2303680), (40, 1958128), (46, 1702720), (64, 1223830), (68, 1151840), (80, 979064), (85, 921472), (92, 851360), (115, 681088), (128, 611915), (136, 575920), (160, 489532), (170, 460736), (184, 425680), (230, 340544), (272, 287960), (313, 250240), (320, 244766), (340, 230368), (368, 212840), (391, 200320), (460, 170272), (544, 143980), (626, 125120), (640, 122383), (680, 115184), (736, 106420), (782, 100160), (920, 85136), (1088, 71990), (1252, 62560), (1360, 57592), (1472, 53210), (1564, 50080), (1565, 50048), (1840, 42568), (1955, 40064), (2176, 35995), (2504, 31280), (2720, 28796), (2944, 26605), (3128, 25040), (3130, 25024), (3680, 21284), (3910, 20032), (5008, 15640), (5321, 14720), (5440, 14398), (6256, 12520), (6260, 12512), (7199, 10880), (7360, 10642), (7820, 10016)]