123645780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11261}}^1$

素因数の和:11337

約数の個数: 72

約数和(自身を含む): 381241224

約数和(自身を除く): 257595444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 11261, 22522, 33783, 45044, 56305, 67566, 101349, 112610, 135132, 168915, 202698, 225220, 337830, 405396, 506745, 675660, 686921, 1013490, 1373842, 2026980, 2060763, 2747684, 3434605, 4121526, 6182289, 6869210, 8243052, 10303815, 12364578, 13738420, 20607630, 24729156, 30911445, 41215260, 61822890, 123645780]

約数ペア:

[(1, 123645780), (2, 61822890), (3, 41215260), (4, 30911445), (5, 24729156), (6, 20607630), (9, 13738420), (10, 12364578), (12, 10303815), (15, 8243052), (18, 6869210), (20, 6182289), (30, 4121526), (36, 3434605), (45, 2747684), (60, 2060763), (61, 2026980), (90, 1373842), (122, 1013490), (180, 686921), (183, 675660), (244, 506745), (305, 405396), (366, 337830), (549, 225220), (610, 202698), (732, 168915), (915, 135132), (1098, 112610), (1220, 101349), (1830, 67566), (2196, 56305), (2745, 45044), (3660, 33783), (5490, 22522), (10980, 11261)]