1907744580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{3109}}^1$

素因数の和:3618

約数の個数: 144

約数和(自身を含む): 6629226240

約数和(自身を除く): 4721481660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 487, 630, 974, 1260, 1461, 1948, 2435, 2922, 3109, 3409, 4383, 4870, 5844, 6218, 6818, 7305, 8766, 9327, 9740, 10227, 12436, 13636, 14610, 15545, 17045, 17532, 18654, 20454, 21763, 21915, 27981, 29220, 30681, 31090, 34090, 37308, 40908, 43526, 43830, 46635, 51135, 55962, 61362, 62180, 65289, 68180, 87052, 87660, 93270, 102270, 108815, 111924, 122724, 130578, 139905, 153405, 186540, 195867, 204540, 217630, 261156, 279810, 306810, 326445, 391734, 435260, 559620, 613620, 652890, 783468, 979335, 1305780, 1514083, 1958670, 3028166, 3917340, 4542249, 6056332, 7570415, 9084498, 10598581, 13626747, 15140830, 18168996, 21197162, 22711245, 27253494, 30281660, 31795743, 42394324, 45422490, 52992905, 54506988, 63591486, 68133735, 90844980, 95387229, 105985810, 127182972, 136267470, 158978715, 190774458, 211971620, 272534940, 317957430, 381548916, 476936145, 635914860, 953872290, 1907744580]

約数ペア:

[(1, 1907744580), (2, 953872290), (3, 635914860), (4, 476936145), (5, 381548916), (6, 317957430), (7, 272534940), (9, 211971620), (10, 190774458), (12, 158978715), (14, 136267470), (15, 127182972), (18, 105985810), (20, 95387229), (21, 90844980), (28, 68133735), (30, 63591486), (35, 54506988), (36, 52992905), (42, 45422490), (45, 42394324), (60, 31795743), (63, 30281660), (70, 27253494), (84, 22711245), (90, 21197162), (105, 18168996), (126, 15140830), (140, 13626747), (180, 10598581), (210, 9084498), (252, 7570415), (315, 6056332), (420, 4542249), (487, 3917340), (630, 3028166), (974, 1958670), (1260, 1514083), (1461, 1305780), (1948, 979335), (2435, 783468), (2922, 652890), (3109, 613620), (3409, 559620), (4383, 435260), (4870, 391734), (5844, 326445), (6218, 306810), (6818, 279810), (7305, 261156), (8766, 217630), (9327, 204540), (9740, 195867), (10227, 186540), (12436, 153405), (13636, 139905), (14610, 130578), (15545, 122724), (17045, 111924), (17532, 108815), (18654, 102270), (20454, 93270), (21763, 87660), (21915, 87052), (27981, 68180), (29220, 65289), (30681, 62180), (31090, 61362), (34090, 55962), (37308, 51135), (40908, 46635), (43526, 43830)]