155281356

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2281}}^1$

素因数の和:2383

約数の個数: 72

約数和(自身を含む): 412001408

約数和(自身を除く): 256720052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 61, 62, 93, 122, 124, 183, 186, 244, 279, 366, 372, 549, 558, 732, 1098, 1116, 1891, 2196, 2281, 3782, 4562, 5673, 6843, 7564, 9124, 11346, 13686, 17019, 20529, 22692, 27372, 34038, 41058, 68076, 70711, 82116, 139141, 141422, 212133, 278282, 282844, 417423, 424266, 556564, 636399, 834846, 848532, 1252269, 1272798, 1669692, 2504538, 2545596, 4313371, 5009076, 8626742, 12940113, 17253484, 25880226, 38820339, 51760452, 77640678, 155281356]

約数ペア:

[(1, 155281356), (2, 77640678), (3, 51760452), (4, 38820339), (6, 25880226), (9, 17253484), (12, 12940113), (18, 8626742), (31, 5009076), (36, 4313371), (61, 2545596), (62, 2504538), (93, 1669692), (122, 1272798), (124, 1252269), (183, 848532), (186, 834846), (244, 636399), (279, 556564), (366, 424266), (372, 417423), (549, 282844), (558, 278282), (732, 212133), (1098, 141422), (1116, 139141), (1891, 82116), (2196, 70711), (2281, 68076), (3782, 41058), (4562, 34038), (5673, 27372), (6843, 22692), (7564, 20529), (9124, 17019), (11346, 13686)]