156780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 519792

約数和(自身を除く): 363012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 67, 78, 90, 117, 130, 134, 156, 180, 195, 201, 234, 260, 268, 335, 390, 402, 468, 585, 603, 670, 780, 804, 871, 1005, 1170, 1206, 1340, 1742, 2010, 2340, 2412, 2613, 3015, 3484, 4020, 4355, 5226, 6030, 7839, 8710, 10452, 12060, 13065, 15678, 17420, 26130, 31356, 39195, 52260, 78390, 156780]

約数ペア:

[(1, 156780), (2, 78390), (3, 52260), (4, 39195), (5, 31356), (6, 26130), (9, 17420), (10, 15678), (12, 13065), (13, 12060), (15, 10452), (18, 8710), (20, 7839), (26, 6030), (30, 5226), (36, 4355), (39, 4020), (45, 3484), (52, 3015), (60, 2613), (65, 2412), (67, 2340), (78, 2010), (90, 1742), (117, 1340), (130, 1206), (134, 1170), (156, 1005), (180, 871), (195, 804), (201, 780), (234, 670), (260, 603), (268, 585), (335, 468), (390, 402)]