1992489960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{1013}}^1$

素因数の和:1507

約数の個数: 128

約数和(自身を含む): 6158954880

約数和(自身を除く): 4166464920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 443, 444, 555, 740, 886, 888, 1013, 1110, 1329, 1480, 1772, 2026, 2215, 2220, 2658, 3039, 3544, 4052, 4430, 4440, 5065, 5316, 6078, 6645, 8104, 8860, 10130, 10632, 12156, 13290, 15195, 16391, 17720, 20260, 24312, 26580, 30390, 32782, 37481, 40520, 49173, 53160, 60780, 65564, 74962, 81955, 98346, 112443, 121560, 131128, 149924, 163910, 187405, 196692, 224886, 245865, 299848, 327820, 374810, 393384, 448759, 449772, 491730, 562215, 655640, 749620, 897518, 899544, 983460, 1124430, 1346277, 1499240, 1795036, 1966920, 2243795, 2248860, 2692554, 3590072, 4487590, 4497720, 5385108, 6731385, 8975180, 10770216, 13462770, 16604083, 17950360, 26925540, 33208166, 49812249, 53851080, 66416332, 83020415, 99624498, 132832664, 166040830, 199248996, 249061245, 332081660, 398497992, 498122490, 664163320, 996244980, 1992489960]

約数ペア:

[(1, 1992489960), (2, 996244980), (3, 664163320), (4, 498122490), (5, 398497992), (6, 332081660), (8, 249061245), (10, 199248996), (12, 166040830), (15, 132832664), (20, 99624498), (24, 83020415), (30, 66416332), (37, 53851080), (40, 49812249), (60, 33208166), (74, 26925540), (111, 17950360), (120, 16604083), (148, 13462770), (185, 10770216), (222, 8975180), (296, 6731385), (370, 5385108), (443, 4497720), (444, 4487590), (555, 3590072), (740, 2692554), (886, 2248860), (888, 2243795), (1013, 1966920), (1110, 1795036), (1329, 1499240), (1480, 1346277), (1772, 1124430), (2026, 983460), (2215, 899544), (2220, 897518), (2658, 749620), (3039, 655640), (3544, 562215), (4052, 491730), (4430, 449772), (4440, 448759), (5065, 393384), (5316, 374810), (6078, 327820), (6645, 299848), (8104, 245865), (8860, 224886), (10130, 196692), (10632, 187405), (12156, 163910), (13290, 149924), (15195, 131128), (16391, 121560), (17720, 112443), (20260, 98346), (24312, 81955), (26580, 74962), (30390, 65564), (32782, 60780), (37481, 53160), (40520, 49173)]