61809720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73583}}^1$

素因数の和:73604

約数の個数: 64

約数和(自身を含む): 211921920

約数和(自身を除く): 150112200

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, 73583, 147166, 220749, 294332, 367915, 441498, 515081, 588664, 735830, 882996, 1030162, 1103745, 1471660, 1545243, 1765992, 2060324, 2207490, 2575405, 2943320, 3090486, 4120648, 4414980, 5150810, 6180972, 7726215, 8829960, 10301620, 12361944, 15452430, 20603240, 30904860, 61809720]

約数ペア:

[(1, 61809720), (2, 30904860), (3, 20603240), (4, 15452430), (5, 12361944), (6, 10301620), (7, 8829960), (8, 7726215), (10, 6180972), (12, 5150810), (14, 4414980), (15, 4120648), (20, 3090486), (21, 2943320), (24, 2575405), (28, 2207490), (30, 2060324), (35, 1765992), (40, 1545243), (42, 1471660), (56, 1103745), (60, 1030162), (70, 882996), (84, 735830), (105, 588664), (120, 515081), (140, 441498), (168, 367915), (210, 294332), (280, 220749), (420, 147166), (840, 73583)]