72501990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19973}}^1$

素因数の和:20005

約数の個数: 48

約数和(自身を含む): 191271024

約数和(自身を除く): 118769034

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 363, 605, 726, 1210, 1815, 3630, 19973, 39946, 59919, 99865, 119838, 199730, 219703, 299595, 439406, 599190, 659109, 1098515, 1318218, 2197030, 2416733, 3295545, 4833466, 6591090, 7250199, 12083665, 14500398, 24167330, 36250995, 72501990]

約数ペア:

[(1, 72501990), (2, 36250995), (3, 24167330), (5, 14500398), (6, 12083665), (10, 7250199), (11, 6591090), (15, 4833466), (22, 3295545), (30, 2416733), (33, 2197030), (55, 1318218), (66, 1098515), (110, 659109), (121, 599190), (165, 439406), (242, 299595), (330, 219703), (363, 199730), (605, 119838), (726, 99865), (1210, 59919), (1815, 39946), (3630, 19973)]