31493520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 240

約数和(自身を含む): 116992512

約数和(自身を除く): 85498992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 48, 51, 60, 62, 68, 72, 80, 83, 85, 90, 93, 102, 120, 124, 136, 144, 153, 155, 166, 170, 180, 186, 204, 240, 248, 249, 255, 272, 279, 306, 310, 332, 340, 360, 372, 408, 415, 465, 496, 498, 510, 527, 558, 612, 620, 664, 680, 720, 744, 747, 765, 816, 830, 930, 996, 1020, 1054, 1116, 1224, 1240, 1245, 1328, 1360, 1395, 1411, 1488, 1494, 1530, 1581, 1660, 1860, 1992, 2040, 2108, 2232, 2448, 2480, 2490, 2573, 2635, 2790, 2822, 2988, 3060, 3162, 3320, 3720, 3735, 3984, 4080, 4216, 4233, 4464, 4743, 4980, 5146, 5270, 5580, 5644, 5976, 6120, 6324, 6640, 7055, 7440, 7470, 7719, 7905, 8432, 8466, 9486, 9960, 10292, 10540, 11160, 11288, 11952, 12240, 12648, 12699, 12865, 14110, 14940, 15438, 15810, 16932, 18972, 19920, 20584, 21080, 21165, 22320, 22576, 23157, 23715, 25296, 25398, 25730, 28220, 29880, 30876, 31620, 33864, 37944, 38595, 41168, 42160, 42330, 43741, 46314, 47430, 50796, 51460, 56440, 59760, 61752, 63240, 63495, 67728, 75888, 77190, 84660, 87482, 92628, 94860, 101592, 102920, 112880, 115785, 123504, 126480, 126990, 131223, 154380, 169320, 174964, 185256, 189720, 203184, 205840, 218705, 231570, 253980, 262446, 308760, 338640, 349928, 370512, 379440, 393669, 437410, 463140, 507960, 524892, 617520, 656115, 699856, 787338, 874820, 926280, 1015920, 1049784, 1312230, 1574676, 1749640, 1852560, 1968345, 2099568, 2624460, 3149352, 3499280, 3936690, 5248920, 6298704, 7873380, 10497840, 15746760, 31493520]

約数ペア:

[(1, 31493520), (2, 15746760), (3, 10497840), (4, 7873380), (5, 6298704), (6, 5248920), (8, 3936690), (9, 3499280), (10, 3149352), (12, 2624460), (15, 2099568), (16, 1968345), (17, 1852560), (18, 1749640), (20, 1574676), (24, 1312230), (30, 1049784), (31, 1015920), (34, 926280), (36, 874820), (40, 787338), (45, 699856), (48, 656115), (51, 617520), (60, 524892), (62, 507960), (68, 463140), (72, 437410), (80, 393669), (83, 379440), (85, 370512), (90, 349928), (93, 338640), (102, 308760), (120, 262446), (124, 253980), (136, 231570), (144, 218705), (153, 205840), (155, 203184), (166, 189720), (170, 185256), (180, 174964), (186, 169320), (204, 154380), (240, 131223), (248, 126990), (249, 126480), (255, 123504), (272, 115785), (279, 112880), (306, 102920), (310, 101592), (332, 94860), (340, 92628), (360, 87482), (372, 84660), (408, 77190), (415, 75888), (465, 67728), (496, 63495), (498, 63240), (510, 61752), (527, 59760), (558, 56440), (612, 51460), (620, 50796), (664, 47430), (680, 46314), (720, 43741), (744, 42330), (747, 42160), (765, 41168), (816, 38595), (830, 37944), (930, 33864), (996, 31620), (1020, 30876), (1054, 29880), (1116, 28220), (1224, 25730), (1240, 25398), (1245, 25296), (1328, 23715), (1360, 23157), (1395, 22576), (1411, 22320), (1488, 21165), (1494, 21080), (1530, 20584), (1581, 19920), (1660, 18972), (1860, 16932), (1992, 15810), (2040, 15438), (2108, 14940), (2232, 14110), (2448, 12865), (2480, 12699), (2490, 12648), (2573, 12240), (2635, 11952), (2790, 11288), (2822, 11160), (2988, 10540), (3060, 10292), (3162, 9960), (3320, 9486), (3720, 8466), (3735, 8432), (3984, 7905), (4080, 7719), (4216, 7470), (4233, 7440), (4464, 7055), (4743, 6640), (4980, 6324), (5146, 6120), (5270, 5976), (5580, 5644)]