256371120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3457}}^1$

素因数の和:3579

約数の個数: 120

約数和(自身を含む): 869590176

約数和(自身を除く): 613219056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 103, 120, 144, 180, 206, 240, 309, 360, 412, 515, 618, 720, 824, 927, 1030, 1236, 1545, 1648, 1854, 2060, 2472, 3090, 3457, 3708, 4120, 4635, 4944, 6180, 6914, 7416, 8240, 9270, 10371, 12360, 13828, 14832, 17285, 18540, 20742, 24720, 27656, 31113, 34570, 37080, 41484, 51855, 55312, 62226, 69140, 74160, 82968, 103710, 124452, 138280, 155565, 165936, 207420, 248904, 276560, 311130, 356071, 414840, 497808, 622260, 712142, 829680, 1068213, 1244520, 1424284, 1780355, 2136426, 2489040, 2848568, 3204639, 3560710, 4272852, 5341065, 5697136, 6409278, 7121420, 8545704, 10682130, 12818556, 14242840, 16023195, 17091408, 21364260, 25637112, 28485680, 32046390, 42728520, 51274224, 64092780, 85457040, 128185560, 256371120]

約数ペア:

[(1, 256371120), (2, 128185560), (3, 85457040), (4, 64092780), (5, 51274224), (6, 42728520), (8, 32046390), (9, 28485680), (10, 25637112), (12, 21364260), (15, 17091408), (16, 16023195), (18, 14242840), (20, 12818556), (24, 10682130), (30, 8545704), (36, 7121420), (40, 6409278), (45, 5697136), (48, 5341065), (60, 4272852), (72, 3560710), (80, 3204639), (90, 2848568), (103, 2489040), (120, 2136426), (144, 1780355), (180, 1424284), (206, 1244520), (240, 1068213), (309, 829680), (360, 712142), (412, 622260), (515, 497808), (618, 414840), (720, 356071), (824, 311130), (927, 276560), (1030, 248904), (1236, 207420), (1545, 165936), (1648, 155565), (1854, 138280), (2060, 124452), (2472, 103710), (3090, 82968), (3457, 74160), (3708, 69140), (4120, 62226), (4635, 55312), (4944, 51855), (6180, 41484), (6914, 37080), (7416, 34570), (8240, 31113), (9270, 27656), (10371, 24720), (12360, 20742), (13828, 18540), (14832, 17285)]