721845108

素因数分解:

$2^2\times 3^5\times {\mathrm{131}}^1\times {\mathrm{5669}}^1$

素因数の和:5819

約数の個数: 72

約数和(自身を含む): 1907025120

約数和(自身を除く): 1185180012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 131, 162, 243, 262, 324, 393, 486, 524, 786, 972, 1179, 1572, 2358, 3537, 4716, 5669, 7074, 10611, 11338, 14148, 17007, 21222, 22676, 31833, 34014, 42444, 51021, 63666, 68028, 102042, 127332, 153063, 204084, 306126, 459189, 612252, 742639, 918378, 1377567, 1485278, 1836756, 2227917, 2755134, 2970556, 4455834, 5510268, 6683751, 8911668, 13367502, 20051253, 26735004, 40102506, 60153759, 80205012, 120307518, 180461277, 240615036, 360922554, 721845108]

約数ペア:

[(1, 721845108), (2, 360922554), (3, 240615036), (4, 180461277), (6, 120307518), (9, 80205012), (12, 60153759), (18, 40102506), (27, 26735004), (36, 20051253), (54, 13367502), (81, 8911668), (108, 6683751), (131, 5510268), (162, 4455834), (243, 2970556), (262, 2755134), (324, 2227917), (393, 1836756), (486, 1485278), (524, 1377567), (786, 918378), (972, 742639), (1179, 612252), (1572, 459189), (2358, 306126), (3537, 204084), (4716, 153063), (5669, 127332), (7074, 102042), (10611, 68028), (11338, 63666), (14148, 51021), (17007, 42444), (21222, 34014), (22676, 31833)]