19752040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 56920320

約数和(自身を除く): 37168280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 53, 55, 56, 70, 77, 88, 106, 110, 121, 140, 154, 212, 220, 242, 265, 280, 308, 371, 385, 424, 440, 484, 530, 583, 605, 616, 742, 770, 847, 968, 1060, 1166, 1210, 1331, 1484, 1540, 1694, 1855, 2120, 2332, 2420, 2662, 2915, 2968, 3080, 3388, 3710, 4081, 4235, 4664, 4840, 5324, 5830, 6413, 6655, 6776, 7420, 8162, 8470, 9317, 10648, 11660, 12826, 13310, 14840, 16324, 16940, 18634, 20405, 23320, 25652, 26620, 32065, 32648, 33880, 37268, 40810, 44891, 46585, 51304, 53240, 64130, 70543, 74536, 81620, 89782, 93170, 128260, 141086, 163240, 179564, 186340, 224455, 256520, 282172, 352715, 359128, 372680, 448910, 493801, 564344, 705430, 897820, 987602, 1410860, 1795640, 1975204, 2469005, 2821720, 3950408, 4938010, 9876020, 19752040]

約数ペア:

[(1, 19752040), (2, 9876020), (4, 4938010), (5, 3950408), (7, 2821720), (8, 2469005), (10, 1975204), (11, 1795640), (14, 1410860), (20, 987602), (22, 897820), (28, 705430), (35, 564344), (40, 493801), (44, 448910), (53, 372680), (55, 359128), (56, 352715), (70, 282172), (77, 256520), (88, 224455), (106, 186340), (110, 179564), (121, 163240), (140, 141086), (154, 128260), (212, 93170), (220, 89782), (242, 81620), (265, 74536), (280, 70543), (308, 64130), (371, 53240), (385, 51304), (424, 46585), (440, 44891), (484, 40810), (530, 37268), (583, 33880), (605, 32648), (616, 32065), (742, 26620), (770, 25652), (847, 23320), (968, 20405), (1060, 18634), (1166, 16940), (1210, 16324), (1331, 14840), (1484, 13310), (1540, 12826), (1694, 11660), (1855, 10648), (2120, 9317), (2332, 8470), (2420, 8162), (2662, 7420), (2915, 6776), (2968, 6655), (3080, 6413), (3388, 5830), (3710, 5324), (4081, 4840), (4235, 4664)]