660348

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 1926288

約数和(自身を除く): 1265940

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 83, 102, 117, 153, 156, 166, 204, 221, 234, 249, 306, 332, 442, 468, 498, 612, 663, 747, 884, 996, 1079, 1326, 1411, 1494, 1989, 2158, 2652, 2822, 2988, 3237, 3978, 4233, 4316, 5644, 6474, 7956, 8466, 9711, 12699, 12948, 16932, 18343, 19422, 25398, 36686, 38844, 50796, 55029, 73372, 110058, 165087, 220116, 330174, 660348]

約数ペア:

[(1, 660348), (2, 330174), (3, 220116), (4, 165087), (6, 110058), (9, 73372), (12, 55029), (13, 50796), (17, 38844), (18, 36686), (26, 25398), (34, 19422), (36, 18343), (39, 16932), (51, 12948), (52, 12699), (68, 9711), (78, 8466), (83, 7956), (102, 6474), (117, 5644), (153, 4316), (156, 4233), (166, 3978), (204, 3237), (221, 2988), (234, 2822), (249, 2652), (306, 2158), (332, 1989), (442, 1494), (468, 1411), (498, 1326), (612, 1079), (663, 996), (747, 884)]