291268260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20483}}^1$

素因数の和:20577

約数の個数: 72

約数和(自身を含む): 894741120

約数和(自身を除く): 603472860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 20483, 40966, 61449, 81932, 102415, 122898, 184347, 204830, 245796, 307245, 368694, 409660, 614490, 737388, 921735, 1228980, 1618157, 1843470, 3236314, 3686940, 4854471, 6472628, 8090785, 9708942, 14563413, 16181570, 19417884, 24272355, 29126826, 32363140, 48544710, 58253652, 72817065, 97089420, 145634130, 291268260]

約数ペア:

[(1, 291268260), (2, 145634130), (3, 97089420), (4, 72817065), (5, 58253652), (6, 48544710), (9, 32363140), (10, 29126826), (12, 24272355), (15, 19417884), (18, 16181570), (20, 14563413), (30, 9708942), (36, 8090785), (45, 6472628), (60, 4854471), (79, 3686940), (90, 3236314), (158, 1843470), (180, 1618157), (237, 1228980), (316, 921735), (395, 737388), (474, 614490), (711, 409660), (790, 368694), (948, 307245), (1185, 245796), (1422, 204830), (1580, 184347), (2370, 122898), (2844, 102415), (3555, 81932), (4740, 61449), (7110, 40966), (14220, 20483)]