1268752760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{262139}}^1$

素因数の和:262172

約数の個数: 48

約数和(自身を含む): 3137815800

約数和(自身を除く): 1869063040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 262139, 524278, 1048556, 1310695, 2097112, 2621390, 2883529, 5242780, 5767058, 10485560, 11534116, 14417645, 23068232, 28835290, 31718819, 57670580, 63437638, 115341160, 126875276, 158594095, 253750552, 317188190, 634376380, 1268752760]

約数ペア:

[(1, 1268752760), (2, 634376380), (4, 317188190), (5, 253750552), (8, 158594095), (10, 126875276), (11, 115341160), (20, 63437638), (22, 57670580), (40, 31718819), (44, 28835290), (55, 23068232), (88, 14417645), (110, 11534116), (121, 10485560), (220, 5767058), (242, 5242780), (440, 2883529), (484, 2621390), (605, 2097112), (968, 1310695), (1210, 1048556), (2420, 524278), (4840, 262139)]