16951920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 56996352

約数和(自身を除く): 40044432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 37, 40, 46, 48, 60, 69, 74, 80, 83, 92, 111, 115, 120, 138, 148, 166, 184, 185, 222, 230, 240, 249, 276, 296, 332, 345, 368, 370, 415, 444, 460, 498, 552, 555, 592, 664, 690, 740, 830, 851, 888, 920, 996, 1104, 1110, 1245, 1328, 1380, 1480, 1660, 1702, 1776, 1840, 1909, 1992, 2220, 2490, 2553, 2760, 2960, 3071, 3320, 3404, 3818, 3984, 4255, 4440, 4980, 5106, 5520, 5727, 6142, 6640, 6808, 7636, 8510, 8880, 9213, 9545, 9960, 10212, 11454, 12284, 12765, 13616, 15272, 15355, 17020, 18426, 19090, 19920, 20424, 22908, 24568, 25530, 28635, 30544, 30710, 34040, 36852, 38180, 40848, 45816, 46065, 49136, 51060, 57270, 61420, 68080, 70633, 73704, 76360, 91632, 92130, 102120, 114540, 122840, 141266, 147408, 152720, 184260, 204240, 211899, 229080, 245680, 282532, 353165, 368520, 423798, 458160, 565064, 706330, 737040, 847596, 1059495, 1130128, 1412660, 1695192, 2118990, 2825320, 3390384, 4237980, 5650640, 8475960, 16951920]

約数ペア:

[(1, 16951920), (2, 8475960), (3, 5650640), (4, 4237980), (5, 3390384), (6, 2825320), (8, 2118990), (10, 1695192), (12, 1412660), (15, 1130128), (16, 1059495), (20, 847596), (23, 737040), (24, 706330), (30, 565064), (37, 458160), (40, 423798), (46, 368520), (48, 353165), (60, 282532), (69, 245680), (74, 229080), (80, 211899), (83, 204240), (92, 184260), (111, 152720), (115, 147408), (120, 141266), (138, 122840), (148, 114540), (166, 102120), (184, 92130), (185, 91632), (222, 76360), (230, 73704), (240, 70633), (249, 68080), (276, 61420), (296, 57270), (332, 51060), (345, 49136), (368, 46065), (370, 45816), (415, 40848), (444, 38180), (460, 36852), (498, 34040), (552, 30710), (555, 30544), (592, 28635), (664, 25530), (690, 24568), (740, 22908), (830, 20424), (851, 19920), (888, 19090), (920, 18426), (996, 17020), (1104, 15355), (1110, 15272), (1245, 13616), (1328, 12765), (1380, 12284), (1480, 11454), (1660, 10212), (1702, 9960), (1776, 9545), (1840, 9213), (1909, 8880), (1992, 8510), (2220, 7636), (2490, 6808), (2553, 6640), (2760, 6142), (2960, 5727), (3071, 5520), (3320, 5106), (3404, 4980), (3818, 4440), (3984, 4255)]