81438750

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 239923200

約数和(自身を除く): 158484450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 90, 95, 114, 125, 127, 135, 150, 171, 190, 225, 250, 254, 270, 285, 342, 375, 381, 450, 475, 513, 570, 625, 635, 675, 750, 762, 855, 950, 1026, 1125, 1143, 1250, 1270, 1350, 1425, 1710, 1875, 1905, 2250, 2286, 2375, 2413, 2565, 2850, 3175, 3375, 3429, 3750, 3810, 4275, 4750, 4826, 5130, 5625, 5715, 6350, 6750, 6858, 7125, 7239, 8550, 9525, 11250, 11430, 11875, 12065, 12825, 14250, 14478, 15875, 16875, 17145, 19050, 21375, 21717, 23750, 24130, 25650, 28575, 31750, 33750, 34290, 35625, 36195, 42750, 43434, 47625, 57150, 60325, 64125, 65151, 71250, 72390, 79375, 85725, 95250, 106875, 108585, 120650, 128250, 130302, 142875, 158750, 171450, 180975, 213750, 217170, 238125, 285750, 301625, 320625, 325755, 361950, 428625, 476250, 542925, 603250, 641250, 651510, 714375, 857250, 904875, 1085850, 1428750, 1508125, 1628775, 1809750, 2143125, 2714625, 3016250, 3257550, 4286250, 4524375, 5429250, 8143875, 9048750, 13573125, 16287750, 27146250, 40719375, 81438750]

約数ペア:

[(1, 81438750), (2, 40719375), (3, 27146250), (5, 16287750), (6, 13573125), (9, 9048750), (10, 8143875), (15, 5429250), (18, 4524375), (19, 4286250), (25, 3257550), (27, 3016250), (30, 2714625), (38, 2143125), (45, 1809750), (50, 1628775), (54, 1508125), (57, 1428750), (75, 1085850), (90, 904875), (95, 857250), (114, 714375), (125, 651510), (127, 641250), (135, 603250), (150, 542925), (171, 476250), (190, 428625), (225, 361950), (250, 325755), (254, 320625), (270, 301625), (285, 285750), (342, 238125), (375, 217170), (381, 213750), (450, 180975), (475, 171450), (513, 158750), (570, 142875), (625, 130302), (635, 128250), (675, 120650), (750, 108585), (762, 106875), (855, 95250), (950, 85725), (1026, 79375), (1125, 72390), (1143, 71250), (1250, 65151), (1270, 64125), (1350, 60325), (1425, 57150), (1710, 47625), (1875, 43434), (1905, 42750), (2250, 36195), (2286, 35625), (2375, 34290), (2413, 33750), (2565, 31750), (2850, 28575), (3175, 25650), (3375, 24130), (3429, 23750), (3750, 21717), (3810, 21375), (4275, 19050), (4750, 17145), (4826, 16875), (5130, 15875), (5625, 14478), (5715, 14250), (6350, 12825), (6750, 12065), (6858, 11875), (7125, 11430), (7239, 11250), (8550, 9525)]