305771840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 168

約数和(自身を含む): 820902600

約数和(自身を除く): 515130760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 64, 80, 88, 106, 110, 121, 149, 160, 176, 212, 220, 242, 265, 298, 320, 352, 424, 440, 484, 530, 583, 596, 605, 704, 745, 848, 880, 968, 1060, 1166, 1192, 1210, 1490, 1639, 1696, 1760, 1936, 2120, 2332, 2384, 2420, 2915, 2980, 3278, 3392, 3520, 3872, 4240, 4664, 4768, 4840, 5830, 5960, 6413, 6556, 7744, 7897, 8195, 8480, 9328, 9536, 9680, 11660, 11920, 12826, 13112, 15794, 16390, 16960, 18029, 18656, 19360, 23320, 23840, 25652, 26224, 31588, 32065, 32780, 36058, 37312, 38720, 39485, 46640, 47680, 51304, 52448, 63176, 64130, 65560, 72116, 78970, 86867, 90145, 93280, 102608, 104896, 126352, 128260, 131120, 144232, 157940, 173734, 180290, 186560, 205216, 252704, 256520, 262240, 288464, 315880, 347468, 360580, 410432, 434335, 505408, 513040, 524480, 576928, 631760, 694936, 721160, 868670, 955537, 1026080, 1153856, 1263520, 1389872, 1442320, 1737340, 1911074, 2052160, 2527040, 2779744, 2884640, 3474680, 3822148, 4777685, 5559488, 5769280, 6949360, 7644296, 9555370, 13898720, 15288592, 19110740, 27797440, 30577184, 38221480, 61154368, 76442960, 152885920, 305771840]

約数ペア:

[(1, 305771840), (2, 152885920), (4, 76442960), (5, 61154368), (8, 38221480), (10, 30577184), (11, 27797440), (16, 19110740), (20, 15288592), (22, 13898720), (32, 9555370), (40, 7644296), (44, 6949360), (53, 5769280), (55, 5559488), (64, 4777685), (80, 3822148), (88, 3474680), (106, 2884640), (110, 2779744), (121, 2527040), (149, 2052160), (160, 1911074), (176, 1737340), (212, 1442320), (220, 1389872), (242, 1263520), (265, 1153856), (298, 1026080), (320, 955537), (352, 868670), (424, 721160), (440, 694936), (484, 631760), (530, 576928), (583, 524480), (596, 513040), (605, 505408), (704, 434335), (745, 410432), (848, 360580), (880, 347468), (968, 315880), (1060, 288464), (1166, 262240), (1192, 256520), (1210, 252704), (1490, 205216), (1639, 186560), (1696, 180290), (1760, 173734), (1936, 157940), (2120, 144232), (2332, 131120), (2384, 128260), (2420, 126352), (2915, 104896), (2980, 102608), (3278, 93280), (3392, 90145), (3520, 86867), (3872, 78970), (4240, 72116), (4664, 65560), (4768, 64130), (4840, 63176), (5830, 52448), (5960, 51304), (6413, 47680), (6556, 46640), (7744, 39485), (7897, 38720), (8195, 37312), (8480, 36058), (9328, 32780), (9536, 32065), (9680, 31588), (11660, 26224), (11920, 25652), (12826, 23840), (13112, 23320), (15794, 19360), (16390, 18656), (16960, 18029)]