51405900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:313

約数の個数: 216

約数和(自身を含む): 187019280

約数和(自身を除く): 135613380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 49, 50, 52, 60, 65, 70, 75, 78, 84, 91, 98, 100, 105, 130, 140, 147, 150, 156, 175, 182, 195, 196, 210, 245, 260, 269, 273, 294, 300, 325, 350, 364, 390, 420, 455, 490, 525, 538, 546, 588, 637, 650, 700, 735, 780, 807, 910, 975, 980, 1050, 1076, 1092, 1225, 1274, 1300, 1345, 1365, 1470, 1614, 1820, 1883, 1911, 1950, 2100, 2275, 2450, 2548, 2690, 2730, 2940, 3185, 3228, 3497, 3675, 3766, 3822, 3900, 4035, 4550, 4900, 5380, 5460, 5649, 6370, 6725, 6825, 6994, 7350, 7532, 7644, 8070, 9100, 9415, 9555, 10491, 11298, 12740, 13181, 13450, 13650, 13988, 14700, 15925, 16140, 17485, 18830, 19110, 20175, 20982, 22596, 24479, 26362, 26900, 27300, 28245, 31850, 34970, 37660, 38220, 39543, 40350, 41964, 47075, 47775, 48958, 52455, 52724, 56490, 63700, 65905, 69940, 73437, 79086, 80700, 87425, 94150, 95550, 97916, 104910, 112980, 122395, 131810, 141225, 146874, 158172, 171353, 174850, 188300, 191100, 197715, 209820, 244790, 262275, 263620, 282450, 293748, 329525, 342706, 349700, 367185, 395430, 489580, 514059, 524550, 564900, 611975, 659050, 685412, 734370, 790860, 856765, 988575, 1028118, 1049100, 1223950, 1318100, 1468740, 1713530, 1835925, 1977150, 2056236, 2447900, 2570295, 3427060, 3671850, 3954300, 4283825, 5140590, 7343700, 8567650, 10281180, 12851475, 17135300, 25702950, 51405900]

約数ペア:

[(1, 51405900), (2, 25702950), (3, 17135300), (4, 12851475), (5, 10281180), (6, 8567650), (7, 7343700), (10, 5140590), (12, 4283825), (13, 3954300), (14, 3671850), (15, 3427060), (20, 2570295), (21, 2447900), (25, 2056236), (26, 1977150), (28, 1835925), (30, 1713530), (35, 1468740), (39, 1318100), (42, 1223950), (49, 1049100), (50, 1028118), (52, 988575), (60, 856765), (65, 790860), (70, 734370), (75, 685412), (78, 659050), (84, 611975), (91, 564900), (98, 524550), (100, 514059), (105, 489580), (130, 395430), (140, 367185), (147, 349700), (150, 342706), (156, 329525), (175, 293748), (182, 282450), (195, 263620), (196, 262275), (210, 244790), (245, 209820), (260, 197715), (269, 191100), (273, 188300), (294, 174850), (300, 171353), (325, 158172), (350, 146874), (364, 141225), (390, 131810), (420, 122395), (455, 112980), (490, 104910), (525, 97916), (538, 95550), (546, 94150), (588, 87425), (637, 80700), (650, 79086), (700, 73437), (735, 69940), (780, 65905), (807, 63700), (910, 56490), (975, 52724), (980, 52455), (1050, 48958), (1076, 47775), (1092, 47075), (1225, 41964), (1274, 40350), (1300, 39543), (1345, 38220), (1365, 37660), (1470, 34970), (1614, 31850), (1820, 28245), (1883, 27300), (1911, 26900), (1950, 26362), (2100, 24479), (2275, 22596), (2450, 20982), (2548, 20175), (2690, 19110), (2730, 18830), (2940, 17485), (3185, 16140), (3228, 15925), (3497, 14700), (3675, 13988), (3766, 13650), (3822, 13450), (3900, 13181), (4035, 12740), (4550, 11298), (4900, 10491), (5380, 9555), (5460, 9415), (5649, 9100), (6370, 8070), (6725, 7644), (6825, 7532), (6994, 7350)]