31236990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2663}}^1$

素因数の和:2713

約数の個数: 64

約数和(自身を含む): 82861056

約数和(自身を除く): 51624066

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 170, 230, 255, 345, 391, 510, 690, 782, 1173, 1955, 2346, 2663, 3910, 5326, 5865, 7989, 11730, 13315, 15978, 26630, 39945, 45271, 61249, 79890, 90542, 122498, 135813, 183747, 226355, 271626, 306245, 367494, 452710, 612490, 679065, 918735, 1041233, 1358130, 1837470, 2082466, 3123699, 5206165, 6247398, 10412330, 15618495, 31236990]

約数ペア:

[(1, 31236990), (2, 15618495), (3, 10412330), (5, 6247398), (6, 5206165), (10, 3123699), (15, 2082466), (17, 1837470), (23, 1358130), (30, 1041233), (34, 918735), (46, 679065), (51, 612490), (69, 452710), (85, 367494), (102, 306245), (115, 271626), (138, 226355), (170, 183747), (230, 135813), (255, 122498), (345, 90542), (391, 79890), (510, 61249), (690, 45271), (782, 39945), (1173, 26630), (1955, 15978), (2346, 13315), (2663, 11730), (3910, 7989), (5326, 5865)]