31014880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 84115584

約数和(自身を除く): 53100704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 37, 40, 52, 62, 65, 74, 80, 104, 124, 130, 148, 155, 160, 169, 185, 208, 248, 260, 296, 310, 338, 370, 403, 416, 481, 496, 520, 592, 620, 676, 740, 806, 845, 962, 992, 1040, 1147, 1184, 1240, 1352, 1480, 1612, 1690, 1924, 2015, 2080, 2294, 2405, 2480, 2704, 2960, 3224, 3380, 3848, 4030, 4588, 4810, 4960, 5239, 5408, 5735, 5920, 6253, 6448, 6760, 7696, 8060, 9176, 9620, 10478, 11470, 12506, 12896, 13520, 14911, 15392, 16120, 18352, 19240, 20956, 22940, 25012, 26195, 27040, 29822, 31265, 32240, 36704, 38480, 41912, 45880, 50024, 52390, 59644, 62530, 64480, 74555, 76960, 83824, 91760, 100048, 104780, 119288, 125060, 149110, 167648, 183520, 193843, 200096, 209560, 238576, 250120, 298220, 387686, 419120, 477152, 500240, 596440, 775372, 838240, 969215, 1000480, 1192880, 1550744, 1938430, 2385760, 3101488, 3876860, 6202976, 7753720, 15507440, 31014880]

約数ペア:

[(1, 31014880), (2, 15507440), (4, 7753720), (5, 6202976), (8, 3876860), (10, 3101488), (13, 2385760), (16, 1938430), (20, 1550744), (26, 1192880), (31, 1000480), (32, 969215), (37, 838240), (40, 775372), (52, 596440), (62, 500240), (65, 477152), (74, 419120), (80, 387686), (104, 298220), (124, 250120), (130, 238576), (148, 209560), (155, 200096), (160, 193843), (169, 183520), (185, 167648), (208, 149110), (248, 125060), (260, 119288), (296, 104780), (310, 100048), (338, 91760), (370, 83824), (403, 76960), (416, 74555), (481, 64480), (496, 62530), (520, 59644), (592, 52390), (620, 50024), (676, 45880), (740, 41912), (806, 38480), (845, 36704), (962, 32240), (992, 31265), (1040, 29822), (1147, 27040), (1184, 26195), (1240, 25012), (1352, 22940), (1480, 20956), (1612, 19240), (1690, 18352), (1924, 16120), (2015, 15392), (2080, 14911), (2294, 13520), (2405, 12896), (2480, 12506), (2704, 11470), (2960, 10478), (3224, 9620), (3380, 9176), (3848, 8060), (4030, 7696), (4588, 6760), (4810, 6448), (4960, 6253), (5239, 5920), (5408, 5735)]