68196780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6211}}^1$

素因数の和:6287

約数の個数: 72

約数和(自身を含む): 210288624

約数和(自身を除く): 142091844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 6211, 10980, 12422, 18633, 24844, 31055, 37266, 55899, 62110, 74532, 93165, 111798, 124220, 186330, 223596, 279495, 372660, 378871, 558990, 757742, 1117980, 1136613, 1515484, 1894355, 2273226, 3409839, 3788710, 4546452, 5683065, 6819678, 7577420, 11366130, 13639356, 17049195, 22732260, 34098390, 68196780]

約数ペア:

[(1, 68196780), (2, 34098390), (3, 22732260), (4, 17049195), (5, 13639356), (6, 11366130), (9, 7577420), (10, 6819678), (12, 5683065), (15, 4546452), (18, 3788710), (20, 3409839), (30, 2273226), (36, 1894355), (45, 1515484), (60, 1136613), (61, 1117980), (90, 757742), (122, 558990), (180, 378871), (183, 372660), (244, 279495), (305, 223596), (366, 186330), (549, 124220), (610, 111798), (732, 93165), (915, 74532), (1098, 62110), (1220, 55899), (1830, 37266), (2196, 31055), (2745, 24844), (3660, 18633), (5490, 12422), (6211, 10980)]