84978090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^2$

素因数の和:308

約数の個数: 72

約数和(自身を含む): 225615780

約数和(自身を除く): 140637690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 103, 178, 206, 267, 309, 445, 515, 534, 618, 801, 890, 927, 1030, 1335, 1545, 1602, 1854, 2670, 3090, 4005, 4635, 8010, 9167, 9270, 10609, 18334, 21218, 27501, 31827, 45835, 53045, 55002, 63654, 82503, 91670, 95481, 106090, 137505, 159135, 165006, 190962, 275010, 318270, 412515, 477405, 825030, 944201, 954810, 1888402, 2832603, 4721005, 5665206, 8497809, 9442010, 14163015, 16995618, 28326030, 42489045, 84978090]

約数ペア:

[(1, 84978090), (2, 42489045), (3, 28326030), (5, 16995618), (6, 14163015), (9, 9442010), (10, 8497809), (15, 5665206), (18, 4721005), (30, 2832603), (45, 1888402), (89, 954810), (90, 944201), (103, 825030), (178, 477405), (206, 412515), (267, 318270), (309, 275010), (445, 190962), (515, 165006), (534, 159135), (618, 137505), (801, 106090), (890, 95481), (927, 91670), (1030, 82503), (1335, 63654), (1545, 55002), (1602, 53045), (1854, 45835), (2670, 31827), (3090, 27501), (4005, 21218), (4635, 18334), (8010, 10609), (9167, 9270)]