280581360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1735

約数の個数: 160

約数和(自身を含む): 940892160

約数和(自身を除く): 660310800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 240, 285, 296, 304, 370, 380, 444, 456, 555, 570, 592, 703, 740, 760, 888, 912, 1110, 1140, 1406, 1480, 1520, 1663, 1776, 2109, 2220, 2280, 2812, 2960, 3326, 3515, 4218, 4440, 4560, 4989, 5624, 6652, 7030, 8315, 8436, 8880, 9978, 10545, 11248, 13304, 14060, 16630, 16872, 19956, 21090, 24945, 26608, 28120, 31597, 33260, 33744, 39912, 42180, 49890, 56240, 61531, 63194, 66520, 79824, 84360, 94791, 99780, 123062, 126388, 133040, 157985, 168720, 184593, 189582, 199560, 246124, 252776, 307655, 315970, 369186, 379164, 399120, 473955, 492248, 505552, 615310, 631940, 738372, 758328, 922965, 947910, 984496, 1169089, 1230620, 1263880, 1476744, 1516656, 1845930, 1895820, 2338178, 2461240, 2527760, 2953488, 3507267, 3691860, 3791640, 4676356, 4922480, 5845445, 7014534, 7383720, 7583280, 9352712, 11690890, 14029068, 14767440, 17536335, 18705424, 23381780, 28058136, 35072670, 46763560, 56116272, 70145340, 93527120, 140290680, 280581360]

約数ペア:

[(1, 280581360), (2, 140290680), (3, 93527120), (4, 70145340), (5, 56116272), (6, 46763560), (8, 35072670), (10, 28058136), (12, 23381780), (15, 18705424), (16, 17536335), (19, 14767440), (20, 14029068), (24, 11690890), (30, 9352712), (37, 7583280), (38, 7383720), (40, 7014534), (48, 5845445), (57, 4922480), (60, 4676356), (74, 3791640), (76, 3691860), (80, 3507267), (95, 2953488), (111, 2527760), (114, 2461240), (120, 2338178), (148, 1895820), (152, 1845930), (185, 1516656), (190, 1476744), (222, 1263880), (228, 1230620), (240, 1169089), (285, 984496), (296, 947910), (304, 922965), (370, 758328), (380, 738372), (444, 631940), (456, 615310), (555, 505552), (570, 492248), (592, 473955), (703, 399120), (740, 379164), (760, 369186), (888, 315970), (912, 307655), (1110, 252776), (1140, 246124), (1406, 199560), (1480, 189582), (1520, 184593), (1663, 168720), (1776, 157985), (2109, 133040), (2220, 126388), (2280, 123062), (2812, 99780), (2960, 94791), (3326, 84360), (3515, 79824), (4218, 66520), (4440, 63194), (4560, 61531), (4989, 56240), (5624, 49890), (6652, 42180), (7030, 39912), (8315, 33744), (8436, 33260), (8880, 31597), (9978, 28120), (10545, 26608), (11248, 24945), (13304, 21090), (14060, 19956), (16630, 16872)]