31802580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:598

約数の個数: 144

約数和(自身を含む): 107714880

約数和(自身を除く): 75912300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 547, 570, 612, 646, 684, 765, 855, 969, 1020, 1094, 1140, 1292, 1530, 1615, 1641, 1710, 1938, 2188, 2735, 2907, 3060, 3230, 3282, 3420, 3876, 4845, 4923, 5470, 5814, 6460, 6564, 8205, 9299, 9690, 9846, 10393, 10940, 11628, 14535, 16410, 18598, 19380, 19692, 20786, 24615, 27897, 29070, 31179, 32820, 37196, 41572, 46495, 49230, 51965, 55794, 58140, 62358, 83691, 92990, 93537, 98460, 103930, 111588, 124716, 139485, 155895, 167382, 176681, 185980, 187074, 207860, 278970, 311790, 334764, 353362, 374148, 418455, 467685, 530043, 557940, 623580, 706724, 836910, 883405, 935370, 1060086, 1590129, 1673820, 1766810, 1870740, 2120172, 2650215, 3180258, 3533620, 5300430, 6360516, 7950645, 10600860, 15901290, 31802580]

約数ペア:

[(1, 31802580), (2, 15901290), (3, 10600860), (4, 7950645), (5, 6360516), (6, 5300430), (9, 3533620), (10, 3180258), (12, 2650215), (15, 2120172), (17, 1870740), (18, 1766810), (19, 1673820), (20, 1590129), (30, 1060086), (34, 935370), (36, 883405), (38, 836910), (45, 706724), (51, 623580), (57, 557940), (60, 530043), (68, 467685), (76, 418455), (85, 374148), (90, 353362), (95, 334764), (102, 311790), (114, 278970), (153, 207860), (170, 187074), (171, 185980), (180, 176681), (190, 167382), (204, 155895), (228, 139485), (255, 124716), (285, 111588), (306, 103930), (323, 98460), (340, 93537), (342, 92990), (380, 83691), (510, 62358), (547, 58140), (570, 55794), (612, 51965), (646, 49230), (684, 46495), (765, 41572), (855, 37196), (969, 32820), (1020, 31179), (1094, 29070), (1140, 27897), (1292, 24615), (1530, 20786), (1615, 19692), (1641, 19380), (1710, 18598), (1938, 16410), (2188, 14535), (2735, 11628), (2907, 10940), (3060, 10393), (3230, 9846), (3282, 9690), (3420, 9299), (3876, 8205), (4845, 6564), (4923, 6460), (5470, 5814)]