172913940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1$

素因数の和:828

約数の個数: 144

約数和(自身を含む): 556238592

約数和(自身を除く): 383324652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 243, 270, 282, 324, 405, 423, 470, 486, 540, 564, 705, 757, 810, 846, 940, 972, 1215, 1269, 1410, 1514, 1620, 1692, 2115, 2271, 2430, 2538, 2820, 3028, 3785, 3807, 4230, 4542, 4860, 5076, 6345, 6813, 7570, 7614, 8460, 9084, 11355, 11421, 12690, 13626, 15140, 15228, 19035, 20439, 22710, 22842, 25380, 27252, 34065, 35579, 38070, 40878, 45420, 45684, 57105, 61317, 68130, 71158, 76140, 81756, 102195, 106737, 114210, 122634, 136260, 142316, 177895, 183951, 204390, 213474, 228420, 245268, 306585, 320211, 355790, 367902, 408780, 426948, 533685, 613170, 640422, 711580, 735804, 919755, 960633, 1067370, 1226340, 1280844, 1601055, 1839510, 1921266, 2134740, 2881899, 3202110, 3679020, 3842532, 4803165, 5763798, 6404220, 8645697, 9606330, 11527596, 14409495, 17291394, 19212660, 28818990, 34582788, 43228485, 57637980, 86456970, 172913940]

約数ペア:

[(1, 172913940), (2, 86456970), (3, 57637980), (4, 43228485), (5, 34582788), (6, 28818990), (9, 19212660), (10, 17291394), (12, 14409495), (15, 11527596), (18, 9606330), (20, 8645697), (27, 6404220), (30, 5763798), (36, 4803165), (45, 3842532), (47, 3679020), (54, 3202110), (60, 2881899), (81, 2134740), (90, 1921266), (94, 1839510), (108, 1601055), (135, 1280844), (141, 1226340), (162, 1067370), (180, 960633), (188, 919755), (235, 735804), (243, 711580), (270, 640422), (282, 613170), (324, 533685), (405, 426948), (423, 408780), (470, 367902), (486, 355790), (540, 320211), (564, 306585), (705, 245268), (757, 228420), (810, 213474), (846, 204390), (940, 183951), (972, 177895), (1215, 142316), (1269, 136260), (1410, 122634), (1514, 114210), (1620, 106737), (1692, 102195), (2115, 81756), (2271, 76140), (2430, 71158), (2538, 68130), (2820, 61317), (3028, 57105), (3785, 45684), (3807, 45420), (4230, 40878), (4542, 38070), (4860, 35579), (5076, 34065), (6345, 27252), (6813, 25380), (7570, 22842), (7614, 22710), (8460, 20439), (9084, 19035), (11355, 15228), (11421, 15140), (12690, 13626)]