1747980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:117

約数の個数: 120

約数和(自身を含む): 5976432

約数和(自身を除く): 4228452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 83, 90, 108, 117, 130, 135, 156, 162, 166, 180, 195, 234, 249, 260, 270, 324, 332, 351, 390, 405, 415, 468, 498, 540, 585, 702, 747, 780, 810, 830, 996, 1053, 1079, 1170, 1245, 1404, 1494, 1620, 1660, 1755, 2106, 2158, 2241, 2340, 2490, 2988, 3237, 3510, 3735, 4212, 4316, 4482, 4980, 5265, 5395, 6474, 6723, 7020, 7470, 8964, 9711, 10530, 10790, 11205, 12948, 13446, 14940, 16185, 19422, 21060, 21580, 22410, 26892, 29133, 32370, 33615, 38844, 44820, 48555, 58266, 64740, 67230, 87399, 97110, 116532, 134460, 145665, 174798, 194220, 291330, 349596, 436995, 582660, 873990, 1747980]

約数ペア:

[(1, 1747980), (2, 873990), (3, 582660), (4, 436995), (5, 349596), (6, 291330), (9, 194220), (10, 174798), (12, 145665), (13, 134460), (15, 116532), (18, 97110), (20, 87399), (26, 67230), (27, 64740), (30, 58266), (36, 48555), (39, 44820), (45, 38844), (52, 33615), (54, 32370), (60, 29133), (65, 26892), (78, 22410), (81, 21580), (83, 21060), (90, 19422), (108, 16185), (117, 14940), (130, 13446), (135, 12948), (156, 11205), (162, 10790), (166, 10530), (180, 9711), (195, 8964), (234, 7470), (249, 7020), (260, 6723), (270, 6474), (324, 5395), (332, 5265), (351, 4980), (390, 4482), (405, 4316), (415, 4212), (468, 3735), (498, 3510), (540, 3237), (585, 2988), (702, 2490), (747, 2340), (780, 2241), (810, 2158), (830, 2106), (996, 1755), (1053, 1660), (1079, 1620), (1170, 1494), (1245, 1404)]