30626820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 107627520

約数和(自身を除く): 77000700

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, 109, 126, 140, 180, 210, 218, 223, 252, 315, 327, 420, 436, 446, 545, 630, 654, 669, 763, 892, 981, 1090, 1115, 1260, 1308, 1338, 1526, 1561, 1635, 1962, 2007, 2180, 2230, 2289, 2676, 3052, 3122, 3270, 3345, 3815, 3924, 4014, 4460, 4578, 4683, 4905, 6244, 6540, 6690, 6867, 7630, 7805, 8028, 9156, 9366, 9810, 10035, 11445, 13380, 13734, 14049, 15260, 15610, 18732, 19620, 20070, 22890, 23415, 24307, 27468, 28098, 31220, 34335, 40140, 45780, 46830, 48614, 56196, 68670, 70245, 72921, 93660, 97228, 121535, 137340, 140490, 145842, 170149, 218763, 243070, 280980, 291684, 340298, 364605, 437526, 486140, 510447, 680596, 729210, 850745, 875052, 1020894, 1093815, 1458420, 1531341, 1701490, 2041788, 2187630, 2552235, 3062682, 3402980, 4375260, 5104470, 6125364, 7656705, 10208940, 15313410, 30626820]

約数ペア:

[(1, 30626820), (2, 15313410), (3, 10208940), (4, 7656705), (5, 6125364), (6, 5104470), (7, 4375260), (9, 3402980), (10, 3062682), (12, 2552235), (14, 2187630), (15, 2041788), (18, 1701490), (20, 1531341), (21, 1458420), (28, 1093815), (30, 1020894), (35, 875052), (36, 850745), (42, 729210), (45, 680596), (60, 510447), (63, 486140), (70, 437526), (84, 364605), (90, 340298), (105, 291684), (109, 280980), (126, 243070), (140, 218763), (180, 170149), (210, 145842), (218, 140490), (223, 137340), (252, 121535), (315, 97228), (327, 93660), (420, 72921), (436, 70245), (446, 68670), (545, 56196), (630, 48614), (654, 46830), (669, 45780), (763, 40140), (892, 34335), (981, 31220), (1090, 28098), (1115, 27468), (1260, 24307), (1308, 23415), (1338, 22890), (1526, 20070), (1561, 19620), (1635, 18732), (1962, 15610), (2007, 15260), (2180, 14049), (2230, 13734), (2289, 13380), (2676, 11445), (3052, 10035), (3122, 9810), (3270, 9366), (3345, 9156), (3815, 8028), (3924, 7805), (4014, 7630), (4460, 6867), (4578, 6690), (4683, 6540), (4905, 6244)]