15661100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1721}}^1$

素因数の和:1755

約数の個数: 72

約数和(自身を含む): 41851488

約数和(自身を除く): 26190388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1721, 1820, 2275, 3442, 4550, 6884, 8605, 9100, 12047, 17210, 22373, 24094, 34420, 43025, 44746, 48188, 60235, 86050, 89492, 111865, 120470, 156611, 172100, 223730, 240940, 301175, 313222, 447460, 559325, 602350, 626444, 783055, 1118650, 1204700, 1566110, 2237300, 3132220, 3915275, 7830550, 15661100]

約数ペア:

[(1, 15661100), (2, 7830550), (4, 3915275), (5, 3132220), (7, 2237300), (10, 1566110), (13, 1204700), (14, 1118650), (20, 783055), (25, 626444), (26, 602350), (28, 559325), (35, 447460), (50, 313222), (52, 301175), (65, 240940), (70, 223730), (91, 172100), (100, 156611), (130, 120470), (140, 111865), (175, 89492), (182, 86050), (260, 60235), (325, 48188), (350, 44746), (364, 43025), (455, 34420), (650, 24094), (700, 22373), (910, 17210), (1300, 12047), (1721, 9100), (1820, 8605), (2275, 6884), (3442, 4550)]