18261320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^3$

素因数の和:65

約数の個数: 128

約数和(自身を含む): 52704000

約数和(自身を除く): 34442680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 121, 140, 154, 196, 220, 242, 245, 280, 308, 343, 385, 392, 440, 484, 490, 539, 605, 616, 686, 770, 847, 968, 980, 1078, 1210, 1331, 1372, 1540, 1694, 1715, 1960, 2156, 2420, 2662, 2695, 2744, 3080, 3388, 3430, 3773, 4235, 4312, 4840, 5324, 5390, 5929, 6655, 6776, 6860, 7546, 8470, 9317, 10648, 10780, 11858, 13310, 13720, 15092, 16940, 18634, 18865, 21560, 23716, 26620, 29645, 30184, 33880, 37268, 37730, 41503, 46585, 47432, 53240, 59290, 65219, 74536, 75460, 83006, 93170, 118580, 130438, 150920, 166012, 186340, 207515, 237160, 260876, 326095, 332024, 372680, 415030, 456533, 521752, 652190, 830060, 913066, 1304380, 1660120, 1826132, 2282665, 2608760, 3652264, 4565330, 9130660, 18261320]

約数ペア:

[(1, 18261320), (2, 9130660), (4, 4565330), (5, 3652264), (7, 2608760), (8, 2282665), (10, 1826132), (11, 1660120), (14, 1304380), (20, 913066), (22, 830060), (28, 652190), (35, 521752), (40, 456533), (44, 415030), (49, 372680), (55, 332024), (56, 326095), (70, 260876), (77, 237160), (88, 207515), (98, 186340), (110, 166012), (121, 150920), (140, 130438), (154, 118580), (196, 93170), (220, 83006), (242, 75460), (245, 74536), (280, 65219), (308, 59290), (343, 53240), (385, 47432), (392, 46585), (440, 41503), (484, 37730), (490, 37268), (539, 33880), (605, 30184), (616, 29645), (686, 26620), (770, 23716), (847, 21560), (968, 18865), (980, 18634), (1078, 16940), (1210, 15092), (1331, 13720), (1372, 13310), (1540, 11858), (1694, 10780), (1715, 10648), (1960, 9317), (2156, 8470), (2420, 7546), (2662, 6860), (2695, 6776), (2744, 6655), (3080, 5929), (3388, 5390), (3430, 5324), (3773, 4840), (4235, 4312)]