51000180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 288

約数和(自身を含む): 193052160

約数和(自身を除く): 142051980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 49, 55, 57, 60, 66, 70, 76, 77, 83, 84, 95, 98, 105, 110, 114, 132, 133, 140, 147, 154, 165, 166, 190, 196, 209, 210, 220, 228, 231, 245, 249, 266, 285, 294, 308, 330, 332, 380, 385, 399, 415, 418, 420, 462, 490, 498, 532, 539, 570, 581, 588, 627, 660, 665, 735, 770, 798, 830, 836, 913, 924, 931, 980, 996, 1045, 1078, 1140, 1155, 1162, 1245, 1254, 1330, 1463, 1470, 1540, 1577, 1596, 1617, 1660, 1743, 1826, 1862, 1995, 2090, 2156, 2310, 2324, 2490, 2508, 2660, 2695, 2739, 2793, 2905, 2926, 2940, 3135, 3154, 3234, 3486, 3652, 3724, 3990, 4067, 4180, 4389, 4565, 4620, 4655, 4731, 4980, 5390, 5478, 5586, 5810, 5852, 6270, 6308, 6391, 6468, 6972, 7315, 7885, 7980, 8085, 8134, 8715, 8778, 9130, 9310, 9462, 10241, 10780, 10956, 11039, 11172, 11620, 12201, 12540, 12782, 13695, 13965, 14630, 15770, 16170, 16268, 17347, 17430, 17556, 18260, 18620, 18924, 19173, 20335, 20482, 21945, 22078, 23655, 24402, 25564, 27390, 27930, 29260, 30723, 31540, 31955, 32340, 33117, 34694, 34860, 38346, 40670, 40964, 43890, 44156, 44737, 47310, 48804, 51205, 52041, 54780, 55195, 55860, 61005, 61446, 63910, 66234, 69388, 76692, 77273, 81340, 86735, 87780, 89474, 94620, 95865, 102410, 104082, 110390, 121429, 122010, 122892, 127820, 132468, 134211, 153615, 154546, 165585, 173470, 178948, 191730, 204820, 208164, 220780, 223685, 231819, 242858, 244020, 260205, 268422, 307230, 309092, 331170, 346940, 364287, 383460, 386365, 447370, 463638, 485716, 520410, 536844, 607145, 614460, 662340, 671055, 728574, 772730, 850003, 894740, 927276, 1040820, 1159095, 1214290, 1342110, 1457148, 1545460, 1700006, 1821435, 2318190, 2428580, 2550009, 2684220, 3400012, 3642870, 4250015, 4636380, 5100018, 7285740, 8500030, 10200036, 12750045, 17000060, 25500090, 51000180]

約数ペア:

[(1, 51000180), (2, 25500090), (3, 17000060), (4, 12750045), (5, 10200036), (6, 8500030), (7, 7285740), (10, 5100018), (11, 4636380), (12, 4250015), (14, 3642870), (15, 3400012), (19, 2684220), (20, 2550009), (21, 2428580), (22, 2318190), (28, 1821435), (30, 1700006), (33, 1545460), (35, 1457148), (38, 1342110), (42, 1214290), (44, 1159095), (49, 1040820), (55, 927276), (57, 894740), (60, 850003), (66, 772730), (70, 728574), (76, 671055), (77, 662340), (83, 614460), (84, 607145), (95, 536844), (98, 520410), (105, 485716), (110, 463638), (114, 447370), (132, 386365), (133, 383460), (140, 364287), (147, 346940), (154, 331170), (165, 309092), (166, 307230), (190, 268422), (196, 260205), (209, 244020), (210, 242858), (220, 231819), (228, 223685), (231, 220780), (245, 208164), (249, 204820), (266, 191730), (285, 178948), (294, 173470), (308, 165585), (330, 154546), (332, 153615), (380, 134211), (385, 132468), (399, 127820), (415, 122892), (418, 122010), (420, 121429), (462, 110390), (490, 104082), (498, 102410), (532, 95865), (539, 94620), (570, 89474), (581, 87780), (588, 86735), (627, 81340), (660, 77273), (665, 76692), (735, 69388), (770, 66234), (798, 63910), (830, 61446), (836, 61005), (913, 55860), (924, 55195), (931, 54780), (980, 52041), (996, 51205), (1045, 48804), (1078, 47310), (1140, 44737), (1155, 44156), (1162, 43890), (1245, 40964), (1254, 40670), (1330, 38346), (1463, 34860), (1470, 34694), (1540, 33117), (1577, 32340), (1596, 31955), (1617, 31540), (1660, 30723), (1743, 29260), (1826, 27930), (1862, 27390), (1995, 25564), (2090, 24402), (2156, 23655), (2310, 22078), (2324, 21945), (2490, 20482), (2508, 20335), (2660, 19173), (2695, 18924), (2739, 18620), (2793, 18260), (2905, 17556), (2926, 17430), (2940, 17347), (3135, 16268), (3154, 16170), (3234, 15770), (3486, 14630), (3652, 13965), (3724, 13695), (3990, 12782), (4067, 12540), (4180, 12201), (4389, 11620), (4565, 11172), (4620, 11039), (4655, 10956), (4731, 10780), (4980, 10241), (5390, 9462), (5478, 9310), (5586, 9130), (5810, 8778), (5852, 8715), (6270, 8134), (6308, 8085), (6391, 7980), (6468, 7885), (6972, 7315)]