40507320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{83}}^2$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 143085960

約数和(自身を除く): 102578640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 83, 84, 98, 105, 120, 140, 147, 166, 168, 196, 210, 245, 249, 280, 294, 332, 392, 415, 420, 490, 498, 581, 588, 664, 735, 830, 840, 980, 996, 1162, 1176, 1245, 1470, 1660, 1743, 1960, 1992, 2324, 2490, 2905, 2940, 3320, 3486, 4067, 4648, 4980, 5810, 5880, 6889, 6972, 8134, 8715, 9960, 11620, 12201, 13778, 13944, 16268, 17430, 20335, 20667, 23240, 24402, 27556, 32536, 34445, 34860, 40670, 41334, 48223, 48804, 55112, 61005, 68890, 69720, 81340, 82668, 96446, 97608, 103335, 122010, 137780, 144669, 162680, 165336, 192892, 206670, 241115, 244020, 275560, 289338, 337561, 385784, 413340, 482230, 488040, 578676, 675122, 723345, 826680, 964460, 1012683, 1157352, 1350244, 1446690, 1687805, 1928920, 2025366, 2700488, 2893380, 3375610, 4050732, 5063415, 5786760, 6751220, 8101464, 10126830, 13502440, 20253660, 40507320]

約数ペア:

[(1, 40507320), (2, 20253660), (3, 13502440), (4, 10126830), (5, 8101464), (6, 6751220), (7, 5786760), (8, 5063415), (10, 4050732), (12, 3375610), (14, 2893380), (15, 2700488), (20, 2025366), (21, 1928920), (24, 1687805), (28, 1446690), (30, 1350244), (35, 1157352), (40, 1012683), (42, 964460), (49, 826680), (56, 723345), (60, 675122), (70, 578676), (83, 488040), (84, 482230), (98, 413340), (105, 385784), (120, 337561), (140, 289338), (147, 275560), (166, 244020), (168, 241115), (196, 206670), (210, 192892), (245, 165336), (249, 162680), (280, 144669), (294, 137780), (332, 122010), (392, 103335), (415, 97608), (420, 96446), (490, 82668), (498, 81340), (581, 69720), (588, 68890), (664, 61005), (735, 55112), (830, 48804), (840, 48223), (980, 41334), (996, 40670), (1162, 34860), (1176, 34445), (1245, 32536), (1470, 27556), (1660, 24402), (1743, 23240), (1960, 20667), (1992, 20335), (2324, 17430), (2490, 16268), (2905, 13944), (2940, 13778), (3320, 12201), (3486, 11620), (4067, 9960), (4648, 8715), (4980, 8134), (5810, 6972), (5880, 6889)]