630877280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{373}}^1$

素因数の和:461

約数の個数: 144

約数和(自身を含む): 1684588752

約数和(自身を除く): 1053711472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 341, 352, 373, 440, 496, 620, 682, 746, 880, 961, 992, 1240, 1364, 1492, 1705, 1760, 1865, 1922, 2480, 2728, 2984, 3410, 3730, 3844, 4103, 4805, 4960, 5456, 5968, 6820, 7460, 7688, 8206, 9610, 10571, 10912, 11563, 11936, 13640, 14920, 15376, 16412, 19220, 20515, 21142, 23126, 27280, 29840, 30752, 32824, 38440, 41030, 42284, 46252, 52855, 54560, 57815, 59680, 65648, 76880, 82060, 84568, 92504, 105710, 115630, 127193, 131296, 153760, 164120, 169136, 185008, 211420, 231260, 254386, 328240, 338272, 358453, 370016, 422840, 462520, 508772, 635965, 656480, 716906, 845680, 925040, 1017544, 1271930, 1433812, 1691360, 1792265, 1850080, 2035088, 2543860, 2867624, 3584530, 3942983, 4070176, 5087720, 5735248, 7169060, 7885966, 10175440, 11470496, 14338120, 15771932, 19714915, 20350880, 28676240, 31543864, 39429830, 57352480, 63087728, 78859660, 126175456, 157719320, 315438640, 630877280]

約数ペア:

[(1, 630877280), (2, 315438640), (4, 157719320), (5, 126175456), (8, 78859660), (10, 63087728), (11, 57352480), (16, 39429830), (20, 31543864), (22, 28676240), (31, 20350880), (32, 19714915), (40, 15771932), (44, 14338120), (55, 11470496), (62, 10175440), (80, 7885966), (88, 7169060), (110, 5735248), (124, 5087720), (155, 4070176), (160, 3942983), (176, 3584530), (220, 2867624), (248, 2543860), (310, 2035088), (341, 1850080), (352, 1792265), (373, 1691360), (440, 1433812), (496, 1271930), (620, 1017544), (682, 925040), (746, 845680), (880, 716906), (961, 656480), (992, 635965), (1240, 508772), (1364, 462520), (1492, 422840), (1705, 370016), (1760, 358453), (1865, 338272), (1922, 328240), (2480, 254386), (2728, 231260), (2984, 211420), (3410, 185008), (3730, 169136), (3844, 164120), (4103, 153760), (4805, 131296), (4960, 127193), (5456, 115630), (5968, 105710), (6820, 92504), (7460, 84568), (7688, 82060), (8206, 76880), (9610, 65648), (10571, 59680), (10912, 57815), (11563, 54560), (11936, 52855), (13640, 46252), (14920, 42284), (15376, 41030), (16412, 38440), (19220, 32824), (20515, 30752), (21142, 29840), (23126, 27280)]