840667920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 240

約数和(自身を含む): 2848246272

約数和(自身を除く): 2007578352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 240, 248, 285, 304, 310, 313, 361, 372, 380, 456, 465, 496, 570, 589, 620, 626, 722, 744, 760, 912, 930, 939, 1083, 1140, 1178, 1240, 1252, 1444, 1488, 1520, 1565, 1767, 1805, 1860, 1878, 2166, 2280, 2356, 2480, 2504, 2888, 2945, 3130, 3534, 3610, 3720, 3756, 4332, 4560, 4695, 4712, 5008, 5415, 5776, 5890, 5947, 6260, 7068, 7220, 7440, 7512, 8664, 8835, 9390, 9424, 9703, 10830, 11191, 11780, 11894, 12520, 14136, 14440, 15024, 17328, 17670, 17841, 18780, 19406, 21660, 22382, 23560, 23788, 25040, 28272, 28880, 29109, 29735, 33573, 35340, 35682, 37560, 38812, 43320, 44764, 47120, 47576, 48515, 55955, 58218, 59470, 67146, 70680, 71364, 75120, 77624, 86640, 89205, 89528, 95152, 97030, 111910, 112993, 116436, 118940, 134292, 141360, 142728, 145545, 155248, 167865, 178410, 179056, 184357, 194060, 223820, 225986, 232872, 237880, 268584, 285456, 291090, 335730, 338979, 356820, 368714, 388120, 447640, 451972, 465744, 475760, 537168, 553071, 564965, 582180, 671460, 677958, 713640, 737428, 776240, 895280, 903944, 921785, 1106142, 1129930, 1164360, 1342920, 1355916, 1427280, 1474856, 1694895, 1807888, 1843570, 2212284, 2259860, 2328720, 2685840, 2711832, 2765355, 2949712, 3389790, 3502783, 3687140, 4424568, 4519720, 5423664, 5530710, 6779580, 7005566, 7374280, 8849136, 9039440, 10508349, 11061420, 13559160, 14011132, 14748560, 17513915, 21016698, 22122840, 27118320, 28022264, 35027830, 42033396, 44245680, 52541745, 56044528, 70055660, 84066792, 105083490, 140111320, 168133584, 210166980, 280222640, 420333960, 840667920]

約数ペア:

[(1, 840667920), (2, 420333960), (3, 280222640), (4, 210166980), (5, 168133584), (6, 140111320), (8, 105083490), (10, 84066792), (12, 70055660), (15, 56044528), (16, 52541745), (19, 44245680), (20, 42033396), (24, 35027830), (30, 28022264), (31, 27118320), (38, 22122840), (40, 21016698), (48, 17513915), (57, 14748560), (60, 14011132), (62, 13559160), (76, 11061420), (80, 10508349), (93, 9039440), (95, 8849136), (114, 7374280), (120, 7005566), (124, 6779580), (152, 5530710), (155, 5423664), (186, 4519720), (190, 4424568), (228, 3687140), (240, 3502783), (248, 3389790), (285, 2949712), (304, 2765355), (310, 2711832), (313, 2685840), (361, 2328720), (372, 2259860), (380, 2212284), (456, 1843570), (465, 1807888), (496, 1694895), (570, 1474856), (589, 1427280), (620, 1355916), (626, 1342920), (722, 1164360), (744, 1129930), (760, 1106142), (912, 921785), (930, 903944), (939, 895280), (1083, 776240), (1140, 737428), (1178, 713640), (1240, 677958), (1252, 671460), (1444, 582180), (1488, 564965), (1520, 553071), (1565, 537168), (1767, 475760), (1805, 465744), (1860, 451972), (1878, 447640), (2166, 388120), (2280, 368714), (2356, 356820), (2480, 338979), (2504, 335730), (2888, 291090), (2945, 285456), (3130, 268584), (3534, 237880), (3610, 232872), (3720, 225986), (3756, 223820), (4332, 194060), (4560, 184357), (4695, 179056), (4712, 178410), (5008, 167865), (5415, 155248), (5776, 145545), (5890, 142728), (5947, 141360), (6260, 134292), (7068, 118940), (7220, 116436), (7440, 112993), (7512, 111910), (8664, 97030), (8835, 95152), (9390, 89528), (9424, 89205), (9703, 86640), (10830, 77624), (11191, 75120), (11780, 71364), (11894, 70680), (12520, 67146), (14136, 59470), (14440, 58218), (15024, 55955), (17328, 48515), (17670, 47576), (17841, 47120), (18780, 44764), (19406, 43320), (21660, 38812), (22382, 37560), (23560, 35682), (23788, 35340), (25040, 33573), (28272, 29735), (28880, 29109)]