72911020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 197074080

約数和(自身を除く): 124163060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 59, 65, 70, 91, 97, 98, 118, 130, 140, 182, 194, 196, 236, 245, 260, 295, 364, 388, 413, 455, 485, 490, 590, 637, 679, 767, 826, 910, 970, 980, 1180, 1261, 1274, 1358, 1534, 1652, 1820, 1940, 2065, 2522, 2548, 2716, 2891, 3068, 3185, 3395, 3835, 4130, 4753, 5044, 5369, 5723, 5782, 6305, 6370, 6790, 7670, 8260, 8827, 9506, 10738, 11446, 11564, 12610, 12740, 13580, 14455, 15340, 17654, 19012, 21476, 22892, 23765, 25220, 26845, 28615, 28910, 35308, 37583, 40061, 44135, 47530, 53690, 57230, 57820, 61789, 74399, 75166, 80122, 88270, 95060, 107380, 114460, 123578, 148798, 150332, 160244, 176540, 187915, 200305, 247156, 280427, 297596, 308945, 371995, 375830, 400610, 520793, 560854, 617890, 743990, 751660, 801220, 1041586, 1121708, 1235780, 1402135, 1487980, 2083172, 2603965, 2804270, 3645551, 5207930, 5608540, 7291102, 10415860, 14582204, 18227755, 36455510, 72911020]

約数ペア:

[(1, 72911020), (2, 36455510), (4, 18227755), (5, 14582204), (7, 10415860), (10, 7291102), (13, 5608540), (14, 5207930), (20, 3645551), (26, 2804270), (28, 2603965), (35, 2083172), (49, 1487980), (52, 1402135), (59, 1235780), (65, 1121708), (70, 1041586), (91, 801220), (97, 751660), (98, 743990), (118, 617890), (130, 560854), (140, 520793), (182, 400610), (194, 375830), (196, 371995), (236, 308945), (245, 297596), (260, 280427), (295, 247156), (364, 200305), (388, 187915), (413, 176540), (455, 160244), (485, 150332), (490, 148798), (590, 123578), (637, 114460), (679, 107380), (767, 95060), (826, 88270), (910, 80122), (970, 75166), (980, 74399), (1180, 61789), (1261, 57820), (1274, 57230), (1358, 53690), (1534, 47530), (1652, 44135), (1820, 40061), (1940, 37583), (2065, 35308), (2522, 28910), (2548, 28615), (2716, 26845), (2891, 25220), (3068, 23765), (3185, 22892), (3395, 21476), (3835, 19012), (4130, 17654), (4753, 15340), (5044, 14455), (5369, 13580), (5723, 12740), (5782, 12610), (6305, 11564), (6370, 11446), (6790, 10738), (7670, 9506), (8260, 8827)]