258957840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:665

約数の個数: 160

約数和(自身を含む): 854409600

約数和(自身を除く): 595451760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 109, 114, 120, 152, 190, 218, 228, 240, 285, 304, 327, 380, 436, 456, 521, 545, 570, 654, 760, 872, 912, 1042, 1090, 1140, 1308, 1520, 1563, 1635, 1744, 2071, 2084, 2180, 2280, 2605, 2616, 3126, 3270, 4142, 4168, 4360, 4560, 5210, 5232, 6213, 6252, 6540, 7815, 8284, 8336, 8720, 9899, 10355, 10420, 12426, 12504, 13080, 15630, 16568, 19798, 20710, 20840, 24852, 25008, 26160, 29697, 31065, 31260, 33136, 39596, 41420, 41680, 49495, 49704, 56789, 59394, 62130, 62520, 79192, 82840, 98990, 99408, 113578, 118788, 124260, 125040, 148485, 158384, 165680, 170367, 197980, 227156, 237576, 248520, 283945, 296970, 340734, 395960, 454312, 475152, 497040, 567890, 593940, 681468, 791920, 851835, 908624, 1078991, 1135780, 1187880, 1362936, 1703670, 2157982, 2271560, 2375760, 2725872, 3236973, 3407340, 4315964, 4543120, 5394955, 6473946, 6814680, 8631928, 10789910, 12947892, 13629360, 16184865, 17263856, 21579820, 25895784, 32369730, 43159640, 51791568, 64739460, 86319280, 129478920, 258957840]

約数ペア:

[(1, 258957840), (2, 129478920), (3, 86319280), (4, 64739460), (5, 51791568), (6, 43159640), (8, 32369730), (10, 25895784), (12, 21579820), (15, 17263856), (16, 16184865), (19, 13629360), (20, 12947892), (24, 10789910), (30, 8631928), (38, 6814680), (40, 6473946), (48, 5394955), (57, 4543120), (60, 4315964), (76, 3407340), (80, 3236973), (95, 2725872), (109, 2375760), (114, 2271560), (120, 2157982), (152, 1703670), (190, 1362936), (218, 1187880), (228, 1135780), (240, 1078991), (285, 908624), (304, 851835), (327, 791920), (380, 681468), (436, 593940), (456, 567890), (521, 497040), (545, 475152), (570, 454312), (654, 395960), (760, 340734), (872, 296970), (912, 283945), (1042, 248520), (1090, 237576), (1140, 227156), (1308, 197980), (1520, 170367), (1563, 165680), (1635, 158384), (1744, 148485), (2071, 125040), (2084, 124260), (2180, 118788), (2280, 113578), (2605, 99408), (2616, 98990), (3126, 82840), (3270, 79192), (4142, 62520), (4168, 62130), (4360, 59394), (4560, 56789), (5210, 49704), (5232, 49495), (6213, 41680), (6252, 41420), (6540, 39596), (7815, 33136), (8284, 31260), (8336, 31065), (8720, 29697), (9899, 26160), (10355, 25008), (10420, 24852), (12426, 20840), (12504, 20710), (13080, 19798), (15630, 16568)]