320773440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25703}}^1$

素因数の和:25736

約数の個数: 112

約数和(自身を含む): 1096841088

約数和(自身を除く): 776067648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 25703, 51406, 77109, 102812, 128515, 154218, 205624, 257030, 308436, 334139, 385545, 411248, 514060, 616872, 668278, 771090, 822496, 1002417, 1028120, 1233744, 1336556, 1542180, 1644992, 1670695, 2004834, 2056240, 2467488, 2673112, 3084360, 3341390, 4009668, 4112480, 4934976, 5012085, 5346224, 6168720, 6682780, 8019336, 8224960, 10024170, 10692448, 12337440, 13365560, 16038672, 20048340, 21384896, 24674880, 26731120, 32077344, 40096680, 53462240, 64154688, 80193360, 106924480, 160386720, 320773440]

約数ペア:

[(1, 320773440), (2, 160386720), (3, 106924480), (4, 80193360), (5, 64154688), (6, 53462240), (8, 40096680), (10, 32077344), (12, 26731120), (13, 24674880), (15, 21384896), (16, 20048340), (20, 16038672), (24, 13365560), (26, 12337440), (30, 10692448), (32, 10024170), (39, 8224960), (40, 8019336), (48, 6682780), (52, 6168720), (60, 5346224), (64, 5012085), (65, 4934976), (78, 4112480), (80, 4009668), (96, 3341390), (104, 3084360), (120, 2673112), (130, 2467488), (156, 2056240), (160, 2004834), (192, 1670695), (195, 1644992), (208, 1542180), (240, 1336556), (260, 1233744), (312, 1028120), (320, 1002417), (390, 822496), (416, 771090), (480, 668278), (520, 616872), (624, 514060), (780, 411248), (832, 385545), (960, 334139), (1040, 308436), (1248, 257030), (1560, 205624), (2080, 154218), (2496, 128515), (3120, 102812), (4160, 77109), (6240, 51406), (12480, 25703)]