31920240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 109921536

約数和(自身を除く): 78001296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 107, 110, 113, 120, 132, 165, 176, 214, 220, 226, 240, 264, 321, 330, 339, 428, 440, 452, 528, 535, 565, 642, 660, 678, 856, 880, 904, 1070, 1130, 1177, 1243, 1284, 1320, 1356, 1605, 1695, 1712, 1808, 2140, 2260, 2354, 2486, 2568, 2640, 2712, 3210, 3390, 3531, 3729, 4280, 4520, 4708, 4972, 5136, 5424, 5885, 6215, 6420, 6780, 7062, 7458, 8560, 9040, 9416, 9944, 11770, 12091, 12430, 12840, 13560, 14124, 14916, 17655, 18645, 18832, 19888, 23540, 24182, 24860, 25680, 27120, 28248, 29832, 35310, 36273, 37290, 47080, 48364, 49720, 56496, 59664, 60455, 70620, 72546, 74580, 94160, 96728, 99440, 120910, 133001, 141240, 145092, 149160, 181365, 193456, 241820, 266002, 282480, 290184, 298320, 362730, 399003, 483640, 532004, 580368, 665005, 725460, 798006, 967280, 1064008, 1330010, 1450920, 1596012, 1995015, 2128016, 2660020, 2901840, 3192024, 3990030, 5320040, 6384048, 7980060, 10640080, 15960120, 31920240]

約数ペア:

[(1, 31920240), (2, 15960120), (3, 10640080), (4, 7980060), (5, 6384048), (6, 5320040), (8, 3990030), (10, 3192024), (11, 2901840), (12, 2660020), (15, 2128016), (16, 1995015), (20, 1596012), (22, 1450920), (24, 1330010), (30, 1064008), (33, 967280), (40, 798006), (44, 725460), (48, 665005), (55, 580368), (60, 532004), (66, 483640), (80, 399003), (88, 362730), (107, 298320), (110, 290184), (113, 282480), (120, 266002), (132, 241820), (165, 193456), (176, 181365), (214, 149160), (220, 145092), (226, 141240), (240, 133001), (264, 120910), (321, 99440), (330, 96728), (339, 94160), (428, 74580), (440, 72546), (452, 70620), (528, 60455), (535, 59664), (565, 56496), (642, 49720), (660, 48364), (678, 47080), (856, 37290), (880, 36273), (904, 35310), (1070, 29832), (1130, 28248), (1177, 27120), (1243, 25680), (1284, 24860), (1320, 24182), (1356, 23540), (1605, 19888), (1695, 18832), (1712, 18645), (1808, 17655), (2140, 14916), (2260, 14124), (2354, 13560), (2486, 12840), (2568, 12430), (2640, 12091), (2712, 11770), (3210, 9944), (3390, 9416), (3531, 9040), (3729, 8560), (4280, 7458), (4520, 7062), (4708, 6780), (4972, 6420), (5136, 6215), (5424, 5885)]