189911760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:645

約数の個数: 160

約数和(自身を含む): 631566720

約数和(自身を除く): 441654960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 89, 102, 120, 136, 170, 178, 204, 240, 255, 267, 272, 340, 356, 408, 445, 510, 523, 534, 680, 712, 816, 890, 1020, 1046, 1068, 1335, 1360, 1424, 1513, 1569, 1780, 2040, 2092, 2136, 2615, 2670, 3026, 3138, 3560, 4080, 4184, 4272, 4539, 5230, 5340, 6052, 6276, 7120, 7565, 7845, 8368, 8891, 9078, 10460, 10680, 12104, 12552, 15130, 15690, 17782, 18156, 20920, 21360, 22695, 24208, 25104, 26673, 30260, 31380, 35564, 36312, 41840, 44455, 45390, 46547, 53346, 60520, 62760, 71128, 72624, 88910, 90780, 93094, 106692, 121040, 125520, 133365, 139641, 142256, 177820, 181560, 186188, 213384, 232735, 266730, 279282, 355640, 363120, 372376, 426768, 465470, 533460, 558564, 698205, 711280, 744752, 791299, 930940, 1066920, 1117128, 1396410, 1582598, 1861880, 2133840, 2234256, 2373897, 2792820, 3165196, 3723760, 3956495, 4747794, 5585640, 6330392, 7912990, 9495588, 11171280, 11869485, 12660784, 15825980, 18991176, 23738970, 31651960, 37982352, 47477940, 63303920, 94955880, 189911760]

約数ペア:

[(1, 189911760), (2, 94955880), (3, 63303920), (4, 47477940), (5, 37982352), (6, 31651960), (8, 23738970), (10, 18991176), (12, 15825980), (15, 12660784), (16, 11869485), (17, 11171280), (20, 9495588), (24, 7912990), (30, 6330392), (34, 5585640), (40, 4747794), (48, 3956495), (51, 3723760), (60, 3165196), (68, 2792820), (80, 2373897), (85, 2234256), (89, 2133840), (102, 1861880), (120, 1582598), (136, 1396410), (170, 1117128), (178, 1066920), (204, 930940), (240, 791299), (255, 744752), (267, 711280), (272, 698205), (340, 558564), (356, 533460), (408, 465470), (445, 426768), (510, 372376), (523, 363120), (534, 355640), (680, 279282), (712, 266730), (816, 232735), (890, 213384), (1020, 186188), (1046, 181560), (1068, 177820), (1335, 142256), (1360, 139641), (1424, 133365), (1513, 125520), (1569, 121040), (1780, 106692), (2040, 93094), (2092, 90780), (2136, 88910), (2615, 72624), (2670, 71128), (3026, 62760), (3138, 60520), (3560, 53346), (4080, 46547), (4184, 45390), (4272, 44455), (4539, 41840), (5230, 36312), (5340, 35564), (6052, 31380), (6276, 30260), (7120, 26673), (7565, 25104), (7845, 24208), (8368, 22695), (8891, 21360), (9078, 20920), (10460, 18156), (10680, 17782), (12104, 15690), (12552, 15130)]