31784850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 92619072

約数和(自身を除く): 60834222

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 37, 45, 46, 50, 69, 74, 75, 83, 90, 111, 115, 138, 150, 166, 185, 207, 222, 225, 230, 249, 333, 345, 370, 414, 415, 450, 498, 555, 575, 666, 690, 747, 830, 851, 925, 1035, 1110, 1150, 1245, 1494, 1665, 1702, 1725, 1850, 1909, 2070, 2075, 2490, 2553, 2775, 3071, 3330, 3450, 3735, 3818, 4150, 4255, 5106, 5175, 5550, 5727, 6142, 6225, 7470, 7659, 8325, 8510, 9213, 9545, 10350, 11454, 12450, 12765, 15318, 15355, 16650, 17181, 18426, 18675, 19090, 21275, 25530, 27639, 28635, 30710, 34362, 37350, 38295, 42550, 46065, 47725, 55278, 57270, 63825, 70633, 76590, 76775, 85905, 92130, 95450, 127650, 138195, 141266, 143175, 153550, 171810, 191475, 211899, 230325, 276390, 286350, 353165, 382950, 423798, 429525, 460650, 635697, 690975, 706330, 859050, 1059495, 1271394, 1381950, 1765825, 2118990, 3178485, 3531650, 5297475, 6356970, 10594950, 15892425, 31784850]

約数ペア:

[(1, 31784850), (2, 15892425), (3, 10594950), (5, 6356970), (6, 5297475), (9, 3531650), (10, 3178485), (15, 2118990), (18, 1765825), (23, 1381950), (25, 1271394), (30, 1059495), (37, 859050), (45, 706330), (46, 690975), (50, 635697), (69, 460650), (74, 429525), (75, 423798), (83, 382950), (90, 353165), (111, 286350), (115, 276390), (138, 230325), (150, 211899), (166, 191475), (185, 171810), (207, 153550), (222, 143175), (225, 141266), (230, 138195), (249, 127650), (333, 95450), (345, 92130), (370, 85905), (414, 76775), (415, 76590), (450, 70633), (498, 63825), (555, 57270), (575, 55278), (666, 47725), (690, 46065), (747, 42550), (830, 38295), (851, 37350), (925, 34362), (1035, 30710), (1110, 28635), (1150, 27639), (1245, 25530), (1494, 21275), (1665, 19090), (1702, 18675), (1725, 18426), (1850, 17181), (1909, 16650), (2070, 15355), (2075, 15318), (2490, 12765), (2553, 12450), (2775, 11454), (3071, 10350), (3330, 9545), (3450, 9213), (3735, 8510), (3818, 8325), (4150, 7659), (4255, 7470), (5106, 6225), (5175, 6142), (5550, 5727)]