201520150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 425472768

約数和(自身を除く): 223952618

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 73, 130, 137, 146, 155, 274, 310, 325, 365, 403, 650, 685, 730, 775, 806, 949, 1370, 1550, 1781, 1825, 1898, 2015, 2263, 3425, 3562, 3650, 4030, 4247, 4526, 4745, 6850, 8494, 8905, 9490, 10001, 10075, 11315, 17810, 20002, 20150, 21235, 22630, 23725, 29419, 42470, 44525, 47450, 50005, 55211, 56575, 58838, 89050, 100010, 106175, 110422, 113150, 130013, 147095, 212350, 250025, 260026, 276055, 294190, 310031, 500050, 552110, 620062, 650065, 735475, 1300130, 1380275, 1470950, 1550155, 2760550, 3100310, 3250325, 4030403, 6500650, 7750775, 8060806, 15501550, 20152015, 40304030, 100760075, 201520150]

約数ペア:

[(1, 201520150), (2, 100760075), (5, 40304030), (10, 20152015), (13, 15501550), (25, 8060806), (26, 7750775), (31, 6500650), (50, 4030403), (62, 3250325), (65, 3100310), (73, 2760550), (130, 1550155), (137, 1470950), (146, 1380275), (155, 1300130), (274, 735475), (310, 650065), (325, 620062), (365, 552110), (403, 500050), (650, 310031), (685, 294190), (730, 276055), (775, 260026), (806, 250025), (949, 212350), (1370, 147095), (1550, 130013), (1781, 113150), (1825, 110422), (1898, 106175), (2015, 100010), (2263, 89050), (3425, 58838), (3562, 56575), (3650, 55211), (4030, 50005), (4247, 47450), (4526, 44525), (4745, 42470), (6850, 29419), (8494, 23725), (8905, 22630), (9490, 21235), (10001, 20150), (10075, 20002), (11315, 17810)]