21728312400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{121523}}^1$

素因数の和:121693

約数の個数: 120

約数和(自身を含む): 70070738400

約数和(自身を除く): 48342426000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 149, 150, 200, 240, 298, 300, 400, 447, 596, 600, 745, 894, 1192, 1200, 1490, 1788, 2235, 2384, 2980, 3576, 3725, 4470, 5960, 7152, 7450, 8940, 11175, 11920, 14900, 17880, 22350, 29800, 35760, 44700, 59600, 89400, 121523, 178800, 243046, 364569, 486092, 607615, 729138, 972184, 1215230, 1458276, 1822845, 1944368, 2430460, 2916552, 3038075, 3645690, 4860920, 5833104, 6076150, 7291380, 9114225, 9721840, 12152300, 14582760, 18106927, 18228450, 24304600, 29165520, 36213854, 36456900, 48609200, 54320781, 72427708, 72913800, 90534635, 108641562, 144855416, 145827600, 181069270, 217283124, 271603905, 289710832, 362138540, 434566248, 452673175, 543207810, 724277080, 869132496, 905346350, 1086415620, 1358019525, 1448554160, 1810692700, 2172831240, 2716039050, 3621385400, 4345662480, 5432078100, 7242770800, 10864156200, 21728312400]

約数ペア:

[(1, 21728312400), (2, 10864156200), (3, 7242770800), (4, 5432078100), (5, 4345662480), (6, 3621385400), (8, 2716039050), (10, 2172831240), (12, 1810692700), (15, 1448554160), (16, 1358019525), (20, 1086415620), (24, 905346350), (25, 869132496), (30, 724277080), (40, 543207810), (48, 452673175), (50, 434566248), (60, 362138540), (75, 289710832), (80, 271603905), (100, 217283124), (120, 181069270), (149, 145827600), (150, 144855416), (200, 108641562), (240, 90534635), (298, 72913800), (300, 72427708), (400, 54320781), (447, 48609200), (596, 36456900), (600, 36213854), (745, 29165520), (894, 24304600), (1192, 18228450), (1200, 18106927), (1490, 14582760), (1788, 12152300), (2235, 9721840), (2384, 9114225), (2980, 7291380), (3576, 6076150), (3725, 5833104), (4470, 4860920), (5960, 3645690), (7152, 3038075), (7450, 2916552), (8940, 2430460), (11175, 1944368), (11920, 1822845), (14900, 1458276), (17880, 1215230), (22350, 972184), (29800, 729138), (35760, 607615), (44700, 486092), (59600, 364569), (89400, 243046), (121523, 178800)]