31880100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 288

約数和(自身を含む): 119992320

約数和(自身を除く): 88112220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 25, 28, 30, 34, 35, 38, 42, 47, 50, 51, 57, 60, 68, 70, 75, 76, 84, 85, 94, 95, 100, 102, 105, 114, 119, 133, 140, 141, 150, 170, 175, 188, 190, 204, 210, 228, 235, 238, 255, 266, 282, 285, 300, 323, 329, 340, 350, 357, 380, 399, 420, 425, 470, 475, 476, 510, 525, 532, 564, 570, 595, 646, 658, 665, 700, 705, 714, 798, 799, 850, 893, 940, 950, 969, 987, 1020, 1050, 1140, 1175, 1190, 1275, 1292, 1316, 1330, 1410, 1425, 1428, 1596, 1598, 1615, 1645, 1700, 1785, 1786, 1900, 1938, 1974, 1995, 2100, 2261, 2350, 2380, 2397, 2550, 2660, 2679, 2820, 2850, 2975, 3196, 3230, 3290, 3325, 3525, 3570, 3572, 3876, 3948, 3990, 3995, 4465, 4522, 4700, 4794, 4845, 4935, 5100, 5358, 5593, 5700, 5950, 6251, 6460, 6580, 6650, 6783, 7050, 7140, 7980, 7990, 8075, 8225, 8925, 8930, 9044, 9588, 9690, 9870, 9975, 10716, 11186, 11305, 11900, 11985, 12502, 13300, 13395, 13566, 14100, 15181, 15980, 16150, 16450, 16779, 17850, 17860, 18753, 19380, 19740, 19950, 19975, 22325, 22372, 22610, 23970, 24225, 24675, 25004, 26790, 27132, 27965, 30362, 31255, 32300, 32900, 33558, 33915, 35700, 37506, 39900, 39950, 44650, 45220, 45543, 47940, 48450, 49350, 53580, 55930, 56525, 59925, 60724, 62510, 66975, 67116, 67830, 75012, 75905, 79900, 83895, 89300, 91086, 93765, 96900, 98700, 106267, 111860, 113050, 119850, 125020, 133950, 135660, 139825, 151810, 156275, 167790, 169575, 182172, 187530, 212534, 226100, 227715, 239700, 267900, 279650, 303620, 312550, 318801, 335580, 339150, 375060, 379525, 419475, 425068, 455430, 468825, 531335, 559300, 625100, 637602, 678300, 759050, 838950, 910860, 937650, 1062670, 1138575, 1275204, 1518100, 1594005, 1677900, 1875300, 2125340, 2277150, 2656675, 3188010, 4554300, 5313350, 6376020, 7970025, 10626700, 15940050, 31880100]

約数ペア:

[(1, 31880100), (2, 15940050), (3, 10626700), (4, 7970025), (5, 6376020), (6, 5313350), (7, 4554300), (10, 3188010), (12, 2656675), (14, 2277150), (15, 2125340), (17, 1875300), (19, 1677900), (20, 1594005), (21, 1518100), (25, 1275204), (28, 1138575), (30, 1062670), (34, 937650), (35, 910860), (38, 838950), (42, 759050), (47, 678300), (50, 637602), (51, 625100), (57, 559300), (60, 531335), (68, 468825), (70, 455430), (75, 425068), (76, 419475), (84, 379525), (85, 375060), (94, 339150), (95, 335580), (100, 318801), (102, 312550), (105, 303620), (114, 279650), (119, 267900), (133, 239700), (140, 227715), (141, 226100), (150, 212534), (170, 187530), (175, 182172), (188, 169575), (190, 167790), (204, 156275), (210, 151810), (228, 139825), (235, 135660), (238, 133950), (255, 125020), (266, 119850), (282, 113050), (285, 111860), (300, 106267), (323, 98700), (329, 96900), (340, 93765), (350, 91086), (357, 89300), (380, 83895), (399, 79900), (420, 75905), (425, 75012), (470, 67830), (475, 67116), (476, 66975), (510, 62510), (525, 60724), (532, 59925), (564, 56525), (570, 55930), (595, 53580), (646, 49350), (658, 48450), (665, 47940), (700, 45543), (705, 45220), (714, 44650), (798, 39950), (799, 39900), (850, 37506), (893, 35700), (940, 33915), (950, 33558), (969, 32900), (987, 32300), (1020, 31255), (1050, 30362), (1140, 27965), (1175, 27132), (1190, 26790), (1275, 25004), (1292, 24675), (1316, 24225), (1330, 23970), (1410, 22610), (1425, 22372), (1428, 22325), (1596, 19975), (1598, 19950), (1615, 19740), (1645, 19380), (1700, 18753), (1785, 17860), (1786, 17850), (1900, 16779), (1938, 16450), (1974, 16150), (1995, 15980), (2100, 15181), (2261, 14100), (2350, 13566), (2380, 13395), (2397, 13300), (2550, 12502), (2660, 11985), (2679, 11900), (2820, 11305), (2850, 11186), (2975, 10716), (3196, 9975), (3230, 9870), (3290, 9690), (3325, 9588), (3525, 9044), (3570, 8930), (3572, 8925), (3876, 8225), (3948, 8075), (3990, 7990), (3995, 7980), (4465, 7140), (4522, 7050), (4700, 6783), (4794, 6650), (4845, 6580), (4935, 6460), (5100, 6251), (5358, 5950), (5593, 5700)]