51660180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:268

約数の個数: 240

約数和(自身を含む): 191245824

約数和(自身を除く): 139585644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 81, 90, 99, 108, 110, 117, 130, 132, 135, 143, 156, 162, 165, 180, 195, 198, 220, 223, 234, 260, 270, 286, 297, 324, 330, 351, 390, 396, 405, 429, 446, 468, 495, 540, 572, 585, 594, 660, 669, 702, 715, 780, 810, 858, 891, 892, 990, 1053, 1115, 1170, 1188, 1287, 1338, 1404, 1430, 1485, 1620, 1716, 1755, 1782, 1980, 2007, 2106, 2145, 2230, 2340, 2453, 2574, 2676, 2860, 2899, 2970, 3345, 3510, 3564, 3861, 4014, 4212, 4290, 4455, 4460, 4906, 5148, 5265, 5798, 5940, 6021, 6435, 6690, 7020, 7359, 7722, 8028, 8580, 8697, 8910, 9812, 10035, 10530, 11583, 11596, 12042, 12265, 12870, 13380, 14495, 14718, 15444, 17394, 17820, 18063, 19305, 20070, 21060, 22077, 23166, 24084, 24530, 25740, 26091, 28990, 29436, 30105, 31889, 34788, 36126, 36795, 38610, 40140, 43485, 44154, 46332, 49060, 52182, 57915, 57980, 60210, 63778, 66231, 72252, 73590, 77220, 78273, 86970, 88308, 90315, 95667, 104364, 110385, 115830, 120420, 127556, 130455, 132462, 147180, 156546, 159445, 173940, 180630, 191334, 198693, 220770, 231660, 234819, 260910, 264924, 287001, 313092, 318890, 331155, 361260, 382668, 391365, 397386, 441540, 469638, 478335, 521820, 574002, 637780, 662310, 782730, 794772, 861003, 939276, 956670, 993465, 1148004, 1174095, 1324620, 1435005, 1565460, 1722006, 1913340, 1986930, 2348190, 2583009, 2870010, 3444012, 3973860, 4305015, 4696380, 5166018, 5740020, 8610030, 10332036, 12915045, 17220060, 25830090, 51660180]

約数ペア:

[(1, 51660180), (2, 25830090), (3, 17220060), (4, 12915045), (5, 10332036), (6, 8610030), (9, 5740020), (10, 5166018), (11, 4696380), (12, 4305015), (13, 3973860), (15, 3444012), (18, 2870010), (20, 2583009), (22, 2348190), (26, 1986930), (27, 1913340), (30, 1722006), (33, 1565460), (36, 1435005), (39, 1324620), (44, 1174095), (45, 1148004), (52, 993465), (54, 956670), (55, 939276), (60, 861003), (65, 794772), (66, 782730), (78, 662310), (81, 637780), (90, 574002), (99, 521820), (108, 478335), (110, 469638), (117, 441540), (130, 397386), (132, 391365), (135, 382668), (143, 361260), (156, 331155), (162, 318890), (165, 313092), (180, 287001), (195, 264924), (198, 260910), (220, 234819), (223, 231660), (234, 220770), (260, 198693), (270, 191334), (286, 180630), (297, 173940), (324, 159445), (330, 156546), (351, 147180), (390, 132462), (396, 130455), (405, 127556), (429, 120420), (446, 115830), (468, 110385), (495, 104364), (540, 95667), (572, 90315), (585, 88308), (594, 86970), (660, 78273), (669, 77220), (702, 73590), (715, 72252), (780, 66231), (810, 63778), (858, 60210), (891, 57980), (892, 57915), (990, 52182), (1053, 49060), (1115, 46332), (1170, 44154), (1188, 43485), (1287, 40140), (1338, 38610), (1404, 36795), (1430, 36126), (1485, 34788), (1620, 31889), (1716, 30105), (1755, 29436), (1782, 28990), (1980, 26091), (2007, 25740), (2106, 24530), (2145, 24084), (2230, 23166), (2340, 22077), (2453, 21060), (2574, 20070), (2676, 19305), (2860, 18063), (2899, 17820), (2970, 17394), (3345, 15444), (3510, 14718), (3564, 14495), (3861, 13380), (4014, 12870), (4212, 12265), (4290, 12042), (4455, 11596), (4460, 11583), (4906, 10530), (5148, 10035), (5265, 9812), (5798, 8910), (5940, 8697), (6021, 8580), (6435, 8028), (6690, 7722), (7020, 7359)]