388440

素因数分解:

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

素因数の和:113

約数の個数: 96

約数和(自身を含む): 1375920

約数和(自身を除く): 987480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 83, 90, 104, 117, 120, 130, 156, 166, 180, 195, 234, 249, 260, 312, 332, 360, 390, 415, 468, 498, 520, 585, 664, 747, 780, 830, 936, 996, 1079, 1170, 1245, 1494, 1560, 1660, 1992, 2158, 2340, 2490, 2988, 3237, 3320, 3735, 4316, 4680, 4980, 5395, 5976, 6474, 7470, 8632, 9711, 9960, 10790, 12948, 14940, 16185, 19422, 21580, 25896, 29880, 32370, 38844, 43160, 48555, 64740, 77688, 97110, 129480, 194220, 388440]

約数ペア:

[(1, 388440), (2, 194220), (3, 129480), (4, 97110), (5, 77688), (6, 64740), (8, 48555), (9, 43160), (10, 38844), (12, 32370), (13, 29880), (15, 25896), (18, 21580), (20, 19422), (24, 16185), (26, 14940), (30, 12948), (36, 10790), (39, 9960), (40, 9711), (45, 8632), (52, 7470), (60, 6474), (65, 5976), (72, 5395), (78, 4980), (83, 4680), (90, 4316), (104, 3735), (117, 3320), (120, 3237), (130, 2988), (156, 2490), (166, 2340), (180, 2158), (195, 1992), (234, 1660), (249, 1560), (260, 1494), (312, 1245), (332, 1170), (360, 1079), (390, 996), (415, 936), (468, 830), (498, 780), (520, 747), (585, 664)]