15989180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 38610432

約数和(自身を除く): 22621252

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 37, 41, 62, 68, 74, 82, 85, 124, 148, 155, 164, 170, 185, 205, 310, 340, 370, 410, 527, 620, 629, 697, 740, 820, 1054, 1147, 1258, 1271, 1394, 1517, 2108, 2294, 2516, 2542, 2635, 2788, 3034, 3145, 3485, 4588, 5084, 5270, 5735, 6068, 6290, 6355, 6970, 7585, 10540, 11470, 12580, 12710, 13940, 15170, 19499, 21607, 22940, 25420, 25789, 30340, 38998, 43214, 47027, 51578, 77996, 86428, 94054, 97495, 103156, 108035, 128945, 188108, 194990, 216070, 235135, 257890, 389980, 432140, 470270, 515780, 799459, 940540, 1598918, 3197836, 3997295, 7994590, 15989180]

約数ペア:

[(1, 15989180), (2, 7994590), (4, 3997295), (5, 3197836), (10, 1598918), (17, 940540), (20, 799459), (31, 515780), (34, 470270), (37, 432140), (41, 389980), (62, 257890), (68, 235135), (74, 216070), (82, 194990), (85, 188108), (124, 128945), (148, 108035), (155, 103156), (164, 97495), (170, 94054), (185, 86428), (205, 77996), (310, 51578), (340, 47027), (370, 43214), (410, 38998), (527, 30340), (620, 25789), (629, 25420), (697, 22940), (740, 21607), (820, 19499), (1054, 15170), (1147, 13940), (1258, 12710), (1271, 12580), (1394, 11470), (1517, 10540), (2108, 7585), (2294, 6970), (2516, 6355), (2542, 6290), (2635, 6068), (2788, 5735), (3034, 5270), (3145, 5084), (3485, 4588)]