123969720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{147583}}^1$

素因数の和:147604

約数の個数: 64

約数和(自身を含む): 425041920

約数和(自身を除く): 301072200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 147583, 295166, 442749, 590332, 737915, 885498, 1033081, 1180664, 1475830, 1770996, 2066162, 2213745, 2951660, 3099243, 3541992, 4132324, 4427490, 5165405, 5903320, 6198486, 8264648, 8854980, 10330810, 12396972, 15496215, 17709960, 20661620, 24793944, 30992430, 41323240, 61984860, 123969720]

約数ペア:

[(1, 123969720), (2, 61984860), (3, 41323240), (4, 30992430), (5, 24793944), (6, 20661620), (7, 17709960), (8, 15496215), (10, 12396972), (12, 10330810), (14, 8854980), (15, 8264648), (20, 6198486), (21, 5903320), (24, 5165405), (28, 4427490), (30, 4132324), (35, 3541992), (40, 3099243), (42, 2951660), (56, 2213745), (60, 2066162), (70, 1770996), (84, 1475830), (105, 1180664), (120, 1033081), (140, 885498), (168, 737915), (210, 590332), (280, 442749), (420, 295166), (840, 147583)]