251882280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:640

約数の個数: 192

約数和(自身を含む): 891596160

約数和(自身を除く): 639713880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 107, 117, 120, 130, 156, 180, 195, 214, 234, 260, 312, 321, 360, 390, 428, 468, 503, 520, 535, 585, 642, 780, 856, 936, 963, 1006, 1070, 1170, 1284, 1391, 1509, 1560, 1605, 1926, 2012, 2140, 2340, 2515, 2568, 2782, 3018, 3210, 3852, 4024, 4173, 4280, 4527, 4680, 4815, 5030, 5564, 6036, 6420, 6539, 6955, 7545, 7704, 8346, 9054, 9630, 10060, 11128, 12072, 12519, 12840, 13078, 13910, 15090, 16692, 18108, 19260, 19617, 20120, 20865, 22635, 25038, 26156, 27820, 30180, 32695, 33384, 36216, 38520, 39234, 41730, 45270, 50076, 52312, 53821, 55640, 58851, 60360, 62595, 65390, 78468, 83460, 90540, 98085, 100152, 107642, 117702, 125190, 130780, 156936, 161463, 166920, 181080, 196170, 215284, 235404, 250380, 261560, 269105, 294255, 322926, 392340, 430568, 470808, 484389, 500760, 538210, 588510, 645852, 699673, 784680, 807315, 968778, 1076420, 1177020, 1291704, 1399346, 1614630, 1937556, 2099019, 2152840, 2354040, 2421945, 2798692, 3229260, 3498365, 3875112, 4198038, 4843890, 5597384, 6297057, 6458520, 6996730, 8396076, 9687780, 10495095, 12594114, 13993460, 16792152, 19375560, 20990190, 25188228, 27986920, 31485285, 41980380, 50376456, 62970570, 83960760, 125941140, 251882280]

約数ペア:

[(1, 251882280), (2, 125941140), (3, 83960760), (4, 62970570), (5, 50376456), (6, 41980380), (8, 31485285), (9, 27986920), (10, 25188228), (12, 20990190), (13, 19375560), (15, 16792152), (18, 13993460), (20, 12594114), (24, 10495095), (26, 9687780), (30, 8396076), (36, 6996730), (39, 6458520), (40, 6297057), (45, 5597384), (52, 4843890), (60, 4198038), (65, 3875112), (72, 3498365), (78, 3229260), (90, 2798692), (104, 2421945), (107, 2354040), (117, 2152840), (120, 2099019), (130, 1937556), (156, 1614630), (180, 1399346), (195, 1291704), (214, 1177020), (234, 1076420), (260, 968778), (312, 807315), (321, 784680), (360, 699673), (390, 645852), (428, 588510), (468, 538210), (503, 500760), (520, 484389), (535, 470808), (585, 430568), (642, 392340), (780, 322926), (856, 294255), (936, 269105), (963, 261560), (1006, 250380), (1070, 235404), (1170, 215284), (1284, 196170), (1391, 181080), (1509, 166920), (1560, 161463), (1605, 156936), (1926, 130780), (2012, 125190), (2140, 117702), (2340, 107642), (2515, 100152), (2568, 98085), (2782, 90540), (3018, 83460), (3210, 78468), (3852, 65390), (4024, 62595), (4173, 60360), (4280, 58851), (4527, 55640), (4680, 53821), (4815, 52312), (5030, 50076), (5564, 45270), (6036, 41730), (6420, 39234), (6539, 38520), (6955, 36216), (7545, 33384), (7704, 32695), (8346, 30180), (9054, 27820), (9630, 26156), (10060, 25038), (11128, 22635), (12072, 20865), (12519, 20120), (12840, 19617), (13078, 19260), (13910, 18108), (15090, 16692)]