19215120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 63228096

約数和(自身を除く): 44012976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 59, 60, 69, 80, 92, 115, 118, 120, 138, 177, 184, 230, 236, 240, 276, 295, 345, 354, 368, 460, 472, 552, 590, 690, 708, 885, 920, 944, 1104, 1180, 1357, 1380, 1416, 1770, 1840, 2360, 2714, 2760, 2832, 3481, 3540, 4071, 4720, 5428, 5520, 6785, 6962, 7080, 8142, 10443, 10856, 13570, 13924, 14160, 16284, 17405, 20355, 20886, 21712, 27140, 27848, 32568, 34810, 40710, 41772, 52215, 54280, 55696, 65136, 69620, 80063, 81420, 83544, 104430, 108560, 139240, 160126, 162840, 167088, 208860, 240189, 278480, 320252, 325680, 400315, 417720, 480378, 640504, 800630, 835440, 960756, 1200945, 1281008, 1601260, 1921512, 2401890, 3202520, 3843024, 4803780, 6405040, 9607560, 19215120]

約数ペア:

[(1, 19215120), (2, 9607560), (3, 6405040), (4, 4803780), (5, 3843024), (6, 3202520), (8, 2401890), (10, 1921512), (12, 1601260), (15, 1281008), (16, 1200945), (20, 960756), (23, 835440), (24, 800630), (30, 640504), (40, 480378), (46, 417720), (48, 400315), (59, 325680), (60, 320252), (69, 278480), (80, 240189), (92, 208860), (115, 167088), (118, 162840), (120, 160126), (138, 139240), (177, 108560), (184, 104430), (230, 83544), (236, 81420), (240, 80063), (276, 69620), (295, 65136), (345, 55696), (354, 54280), (368, 52215), (460, 41772), (472, 40710), (552, 34810), (590, 32568), (690, 27848), (708, 27140), (885, 21712), (920, 20886), (944, 20355), (1104, 17405), (1180, 16284), (1357, 14160), (1380, 13924), (1416, 13570), (1770, 10856), (1840, 10443), (2360, 8142), (2714, 7080), (2760, 6962), (2832, 6785), (3481, 5520), (3540, 5428), (4071, 4720)]