81159780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1645

約数の個数: 96

約数和(自身を含む): 248540544

約数和(自身を除く): 167380764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 67, 78, 130, 134, 156, 195, 201, 260, 268, 335, 390, 402, 670, 780, 804, 871, 1005, 1340, 1553, 1742, 2010, 2613, 3106, 3484, 4020, 4355, 4659, 5226, 6212, 7765, 8710, 9318, 10452, 13065, 15530, 17420, 18636, 20189, 23295, 26130, 31060, 40378, 46590, 52260, 60567, 80756, 93180, 100945, 104051, 121134, 201890, 208102, 242268, 302835, 312153, 403780, 416204, 520255, 605670, 624306, 1040510, 1211340, 1248612, 1352663, 1560765, 2081020, 2705326, 3121530, 4057989, 5410652, 6243060, 6763315, 8115978, 13526630, 16231956, 20289945, 27053260, 40579890, 81159780]

約数ペア:

[(1, 81159780), (2, 40579890), (3, 27053260), (4, 20289945), (5, 16231956), (6, 13526630), (10, 8115978), (12, 6763315), (13, 6243060), (15, 5410652), (20, 4057989), (26, 3121530), (30, 2705326), (39, 2081020), (52, 1560765), (60, 1352663), (65, 1248612), (67, 1211340), (78, 1040510), (130, 624306), (134, 605670), (156, 520255), (195, 416204), (201, 403780), (260, 312153), (268, 302835), (335, 242268), (390, 208102), (402, 201890), (670, 121134), (780, 104051), (804, 100945), (871, 93180), (1005, 80756), (1340, 60567), (1553, 52260), (1742, 46590), (2010, 40378), (2613, 31060), (3106, 26130), (3484, 23295), (4020, 20189), (4355, 18636), (4659, 17420), (5226, 15530), (6212, 13065), (7765, 10452), (8710, 9318)]