407540880

素因数分解:

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

素因数の和:131

約数の個数: 240

約数和(自身を含む): 1488714240

約数和(自身を除く): 1081173360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 496, 558, 570, 589, 620, 684, 720, 744, 760, 855, 912, 930, 961, 1116, 1140, 1178, 1240, 1368, 1395, 1488, 1520, 1710, 1767, 1860, 1922, 2232, 2280, 2356, 2480, 2736, 2790, 2883, 2945, 3420, 3534, 3720, 3844, 4464, 4560, 4712, 4805, 5301, 5580, 5766, 5890, 6840, 7068, 7440, 7688, 8649, 8835, 9424, 9610, 10602, 11160, 11532, 11780, 13680, 14136, 14415, 15376, 17298, 17670, 18259, 19220, 21204, 22320, 23064, 23560, 26505, 28272, 28830, 29791, 34596, 35340, 36518, 38440, 42408, 43245, 46128, 47120, 53010, 54777, 57660, 59582, 69192, 70680, 73036, 76880, 84816, 86490, 89373, 91295, 106020, 109554, 115320, 119164, 138384, 141360, 146072, 148955, 164331, 172980, 178746, 182590, 212040, 219108, 230640, 238328, 268119, 273885, 292144, 297910, 328662, 345960, 357492, 365180, 424080, 438216, 446865, 476656, 536238, 547770, 566029, 595820, 657324, 691920, 714984, 730360, 821655, 876432, 893730, 1072476, 1095540, 1132058, 1191640, 1314648, 1340595, 1429968, 1460720, 1643310, 1698087, 1787460, 2144952, 2191080, 2264116, 2383280, 2629296, 2681190, 2830145, 3286620, 3396174, 3574920, 4289904, 4382160, 4528232, 5094261, 5362380, 5660290, 6573240, 6792348, 7149840, 8490435, 9056464, 10188522, 10724760, 11320580, 13146480, 13584696, 16980870, 20377044, 21449520, 22641160, 25471305, 27169392, 33961740, 40754088, 45282320, 50942610, 67923480, 81508176, 101885220, 135846960, 203770440, 407540880]

約数ペア:

[(1, 407540880), (2, 203770440), (3, 135846960), (4, 101885220), (5, 81508176), (6, 67923480), (8, 50942610), (9, 45282320), (10, 40754088), (12, 33961740), (15, 27169392), (16, 25471305), (18, 22641160), (19, 21449520), (20, 20377044), (24, 16980870), (30, 13584696), (31, 13146480), (36, 11320580), (38, 10724760), (40, 10188522), (45, 9056464), (48, 8490435), (57, 7149840), (60, 6792348), (62, 6573240), (72, 5660290), (76, 5362380), (80, 5094261), (90, 4528232), (93, 4382160), (95, 4289904), (114, 3574920), (120, 3396174), (124, 3286620), (144, 2830145), (152, 2681190), (155, 2629296), (171, 2383280), (180, 2264116), (186, 2191080), (190, 2144952), (228, 1787460), (240, 1698087), (248, 1643310), (279, 1460720), (285, 1429968), (304, 1340595), (310, 1314648), (342, 1191640), (360, 1132058), (372, 1095540), (380, 1072476), (456, 893730), (465, 876432), (496, 821655), (558, 730360), (570, 714984), (589, 691920), (620, 657324), (684, 595820), (720, 566029), (744, 547770), (760, 536238), (855, 476656), (912, 446865), (930, 438216), (961, 424080), (1116, 365180), (1140, 357492), (1178, 345960), (1240, 328662), (1368, 297910), (1395, 292144), (1488, 273885), (1520, 268119), (1710, 238328), (1767, 230640), (1860, 219108), (1922, 212040), (2232, 182590), (2280, 178746), (2356, 172980), (2480, 164331), (2736, 148955), (2790, 146072), (2883, 141360), (2945, 138384), (3420, 119164), (3534, 115320), (3720, 109554), (3844, 106020), (4464, 91295), (4560, 89373), (4712, 86490), (4805, 84816), (5301, 76880), (5580, 73036), (5766, 70680), (5890, 69192), (6840, 59582), (7068, 57660), (7440, 54777), (7688, 53010), (8649, 47120), (8835, 46128), (9424, 43245), (9610, 42408), (10602, 38440), (11160, 36518), (11532, 35340), (11780, 34596), (13680, 29791), (14136, 28830), (14415, 28272), (15376, 26505), (17298, 23560), (17670, 23064), (18259, 22320), (19220, 21204)]