31801560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 192

約数和(自身を含む): 116709120

約数和(自身を除く): 84907560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 131, 136, 140, 168, 170, 204, 210, 238, 255, 262, 280, 289, 340, 357, 393, 408, 420, 476, 510, 524, 578, 595, 655, 680, 714, 786, 840, 867, 917, 952, 1020, 1048, 1156, 1190, 1310, 1428, 1445, 1572, 1734, 1785, 1834, 1965, 2023, 2040, 2227, 2312, 2380, 2620, 2751, 2856, 2890, 3144, 3468, 3570, 3668, 3930, 4046, 4335, 4454, 4585, 4760, 5240, 5502, 5780, 6069, 6681, 6936, 7140, 7336, 7860, 8092, 8670, 8908, 9170, 10115, 11004, 11135, 11560, 12138, 13362, 13755, 14280, 15589, 15720, 16184, 17340, 17816, 18340, 20230, 22008, 22270, 24276, 26724, 27510, 30345, 31178, 33405, 34680, 36680, 37859, 40460, 44540, 46767, 48552, 53448, 55020, 60690, 62356, 66810, 75718, 77945, 80920, 89080, 93534, 110040, 113577, 121380, 124712, 133620, 151436, 155890, 187068, 189295, 227154, 233835, 242760, 265013, 267240, 302872, 311780, 374136, 378590, 454308, 467670, 530026, 567885, 623560, 757180, 795039, 908616, 935340, 1060052, 1135770, 1325065, 1514360, 1590078, 1870680, 2120104, 2271540, 2650130, 3180156, 3975195, 4543080, 5300260, 6360312, 7950390, 10600520, 15900780, 31801560]

約数ペア:

[(1, 31801560), (2, 15900780), (3, 10600520), (4, 7950390), (5, 6360312), (6, 5300260), (7, 4543080), (8, 3975195), (10, 3180156), (12, 2650130), (14, 2271540), (15, 2120104), (17, 1870680), (20, 1590078), (21, 1514360), (24, 1325065), (28, 1135770), (30, 1060052), (34, 935340), (35, 908616), (40, 795039), (42, 757180), (51, 623560), (56, 567885), (60, 530026), (68, 467670), (70, 454308), (84, 378590), (85, 374136), (102, 311780), (105, 302872), (119, 267240), (120, 265013), (131, 242760), (136, 233835), (140, 227154), (168, 189295), (170, 187068), (204, 155890), (210, 151436), (238, 133620), (255, 124712), (262, 121380), (280, 113577), (289, 110040), (340, 93534), (357, 89080), (393, 80920), (408, 77945), (420, 75718), (476, 66810), (510, 62356), (524, 60690), (578, 55020), (595, 53448), (655, 48552), (680, 46767), (714, 44540), (786, 40460), (840, 37859), (867, 36680), (917, 34680), (952, 33405), (1020, 31178), (1048, 30345), (1156, 27510), (1190, 26724), (1310, 24276), (1428, 22270), (1445, 22008), (1572, 20230), (1734, 18340), (1785, 17816), (1834, 17340), (1965, 16184), (2023, 15720), (2040, 15589), (2227, 14280), (2312, 13755), (2380, 13362), (2620, 12138), (2751, 11560), (2856, 11135), (2890, 11004), (3144, 10115), (3468, 9170), (3570, 8908), (3668, 8670), (3930, 8092), (4046, 7860), (4335, 7336), (4454, 7140), (4585, 6936), (4760, 6681), (5240, 6069), (5502, 5780)]