311207760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 240

約数和(自身を含む): 1099358208

約数和(自身を除く): 788150448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 73, 80, 90, 93, 120, 124, 144, 146, 155, 180, 186, 191, 219, 240, 248, 279, 292, 310, 360, 365, 372, 382, 438, 465, 496, 558, 573, 584, 620, 657, 720, 730, 744, 764, 876, 930, 955, 1095, 1116, 1146, 1168, 1240, 1314, 1395, 1460, 1488, 1528, 1719, 1752, 1860, 1910, 2190, 2232, 2263, 2292, 2480, 2628, 2790, 2865, 2920, 3056, 3285, 3438, 3504, 3720, 3820, 4380, 4464, 4526, 4584, 5256, 5580, 5730, 5840, 5921, 6570, 6789, 6876, 7440, 7640, 8595, 8760, 9052, 9168, 10512, 11160, 11315, 11460, 11842, 13140, 13578, 13752, 13943, 15280, 17190, 17520, 17763, 18104, 20367, 22320, 22630, 22920, 23684, 26280, 27156, 27504, 27886, 29605, 33945, 34380, 35526, 36208, 40734, 41829, 45260, 45840, 47368, 52560, 53289, 54312, 55772, 59210, 67890, 68760, 69715, 71052, 81468, 83658, 88815, 90520, 94736, 101835, 106578, 108624, 111544, 118420, 125487, 135780, 137520, 139430, 142104, 162936, 167316, 177630, 181040, 203670, 209145, 213156, 223088, 236840, 250974, 266445, 271560, 278860, 284208, 325872, 334632, 355260, 407340, 418290, 426312, 432233, 473680, 501948, 532890, 543120, 557720, 627435, 669264, 710520, 814680, 836580, 852624, 864466, 1003896, 1065780, 1115440, 1254870, 1296699, 1421040, 1629360, 1673160, 1728932, 2007792, 2131560, 2161165, 2509740, 2593398, 3346320, 3457864, 3890097, 4263120, 4322330, 5019480, 5186796, 6483495, 6915728, 7780194, 8644660, 10038960, 10373592, 12966990, 15560388, 17289320, 19450485, 20747184, 25933980, 31120776, 34578640, 38900970, 51867960, 62241552, 77801940, 103735920, 155603880, 311207760]

約数ペア:

[(1, 311207760), (2, 155603880), (3, 103735920), (4, 77801940), (5, 62241552), (6, 51867960), (8, 38900970), (9, 34578640), (10, 31120776), (12, 25933980), (15, 20747184), (16, 19450485), (18, 17289320), (20, 15560388), (24, 12966990), (30, 10373592), (31, 10038960), (36, 8644660), (40, 7780194), (45, 6915728), (48, 6483495), (60, 5186796), (62, 5019480), (72, 4322330), (73, 4263120), (80, 3890097), (90, 3457864), (93, 3346320), (120, 2593398), (124, 2509740), (144, 2161165), (146, 2131560), (155, 2007792), (180, 1728932), (186, 1673160), (191, 1629360), (219, 1421040), (240, 1296699), (248, 1254870), (279, 1115440), (292, 1065780), (310, 1003896), (360, 864466), (365, 852624), (372, 836580), (382, 814680), (438, 710520), (465, 669264), (496, 627435), (558, 557720), (573, 543120), (584, 532890), (620, 501948), (657, 473680), (720, 432233), (730, 426312), (744, 418290), (764, 407340), (876, 355260), (930, 334632), (955, 325872), (1095, 284208), (1116, 278860), (1146, 271560), (1168, 266445), (1240, 250974), (1314, 236840), (1395, 223088), (1460, 213156), (1488, 209145), (1528, 203670), (1719, 181040), (1752, 177630), (1860, 167316), (1910, 162936), (2190, 142104), (2232, 139430), (2263, 137520), (2292, 135780), (2480, 125487), (2628, 118420), (2790, 111544), (2865, 108624), (2920, 106578), (3056, 101835), (3285, 94736), (3438, 90520), (3504, 88815), (3720, 83658), (3820, 81468), (4380, 71052), (4464, 69715), (4526, 68760), (4584, 67890), (5256, 59210), (5580, 55772), (5730, 54312), (5840, 53289), (5921, 52560), (6570, 47368), (6789, 45840), (6876, 45260), (7440, 41829), (7640, 40734), (8595, 36208), (8760, 35526), (9052, 34380), (9168, 33945), (10512, 29605), (11160, 27886), (11315, 27504), (11460, 27156), (11842, 26280), (13140, 23684), (13578, 22920), (13752, 22630), (13943, 22320), (15280, 20367), (17190, 18104), (17520, 17763)]