28291380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 192

約数和(自身を含む): 94832640

約数和(自身を除く): 66541260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 23, 26, 30, 38, 39, 46, 52, 57, 60, 65, 69, 76, 78, 83, 92, 95, 114, 115, 130, 138, 156, 166, 190, 195, 228, 230, 247, 249, 260, 276, 285, 299, 332, 345, 380, 390, 415, 437, 460, 494, 498, 570, 598, 690, 741, 780, 830, 874, 897, 988, 996, 1079, 1140, 1196, 1235, 1245, 1311, 1380, 1482, 1495, 1577, 1660, 1748, 1794, 1909, 2158, 2185, 2470, 2490, 2622, 2964, 2990, 3154, 3237, 3588, 3705, 3818, 4316, 4370, 4485, 4731, 4940, 4980, 5244, 5395, 5681, 5727, 5980, 6308, 6474, 6555, 7410, 7636, 7885, 8740, 8970, 9462, 9545, 10790, 11362, 11454, 12948, 13110, 14820, 15770, 16185, 17043, 17940, 18924, 19090, 20501, 21580, 22724, 22908, 23655, 24817, 26220, 28405, 28635, 31540, 32370, 34086, 36271, 38180, 41002, 47310, 49634, 56810, 57270, 61503, 64740, 68172, 72542, 74451, 82004, 85215, 94620, 99268, 102505, 108813, 113620, 114540, 123006, 124085, 145084, 148902, 170430, 181355, 205010, 217626, 246012, 248170, 297804, 307515, 340860, 362710, 372255, 410020, 435252, 471523, 496340, 544065, 615030, 725420, 744510, 943046, 1088130, 1230060, 1414569, 1489020, 1886092, 2176260, 2357615, 2829138, 4715230, 5658276, 7072845, 9430460, 14145690, 28291380]

約数ペア:

[(1, 28291380), (2, 14145690), (3, 9430460), (4, 7072845), (5, 5658276), (6, 4715230), (10, 2829138), (12, 2357615), (13, 2176260), (15, 1886092), (19, 1489020), (20, 1414569), (23, 1230060), (26, 1088130), (30, 943046), (38, 744510), (39, 725420), (46, 615030), (52, 544065), (57, 496340), (60, 471523), (65, 435252), (69, 410020), (76, 372255), (78, 362710), (83, 340860), (92, 307515), (95, 297804), (114, 248170), (115, 246012), (130, 217626), (138, 205010), (156, 181355), (166, 170430), (190, 148902), (195, 145084), (228, 124085), (230, 123006), (247, 114540), (249, 113620), (260, 108813), (276, 102505), (285, 99268), (299, 94620), (332, 85215), (345, 82004), (380, 74451), (390, 72542), (415, 68172), (437, 64740), (460, 61503), (494, 57270), (498, 56810), (570, 49634), (598, 47310), (690, 41002), (741, 38180), (780, 36271), (830, 34086), (874, 32370), (897, 31540), (988, 28635), (996, 28405), (1079, 26220), (1140, 24817), (1196, 23655), (1235, 22908), (1245, 22724), (1311, 21580), (1380, 20501), (1482, 19090), (1495, 18924), (1577, 17940), (1660, 17043), (1748, 16185), (1794, 15770), (1909, 14820), (2158, 13110), (2185, 12948), (2470, 11454), (2490, 11362), (2622, 10790), (2964, 9545), (2990, 9462), (3154, 8970), (3237, 8740), (3588, 7885), (3705, 7636), (3818, 7410), (4316, 6555), (4370, 6474), (4485, 6308), (4731, 5980), (4940, 5727), (4980, 5681), (5244, 5395)]