155542380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1861}}^1$

素因数の和:2079

約数の個数: 96

約数和(自身を含む): 500505600

約数和(自身を除く): 344963220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 398, 420, 597, 796, 995, 1194, 1393, 1861, 1990, 2388, 2786, 2985, 3722, 3980, 4179, 5572, 5583, 5970, 6965, 7444, 8358, 9305, 11166, 11940, 13027, 13930, 16716, 18610, 20895, 22332, 26054, 27860, 27915, 37220, 39081, 41790, 52108, 55830, 65135, 78162, 83580, 111660, 130270, 156324, 195405, 260540, 370339, 390810, 740678, 781620, 1111017, 1481356, 1851695, 2222034, 2592373, 3703390, 4444068, 5184746, 5555085, 7406780, 7777119, 10369492, 11110170, 12961865, 15554238, 22220340, 25923730, 31108476, 38885595, 51847460, 77771190, 155542380]

約数ペア:

[(1, 155542380), (2, 77771190), (3, 51847460), (4, 38885595), (5, 31108476), (6, 25923730), (7, 22220340), (10, 15554238), (12, 12961865), (14, 11110170), (15, 10369492), (20, 7777119), (21, 7406780), (28, 5555085), (30, 5184746), (35, 4444068), (42, 3703390), (60, 2592373), (70, 2222034), (84, 1851695), (105, 1481356), (140, 1111017), (199, 781620), (210, 740678), (398, 390810), (420, 370339), (597, 260540), (796, 195405), (995, 156324), (1194, 130270), (1393, 111660), (1861, 83580), (1990, 78162), (2388, 65135), (2786, 55830), (2985, 52108), (3722, 41790), (3980, 39081), (4179, 37220), (5572, 27915), (5583, 27860), (5970, 26054), (6965, 22332), (7444, 20895), (8358, 18610), (9305, 16716), (11166, 13930), (11940, 13027)]