205128540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 642908448

約数和(自身を除く): 437779908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 73, 90, 134, 146, 180, 201, 219, 233, 268, 292, 335, 365, 402, 438, 466, 603, 657, 670, 699, 730, 804, 876, 932, 1005, 1095, 1165, 1206, 1314, 1340, 1398, 1460, 2010, 2097, 2190, 2330, 2412, 2628, 2796, 3015, 3285, 3495, 4020, 4194, 4380, 4660, 4891, 6030, 6570, 6990, 8388, 9782, 10485, 12060, 13140, 13980, 14673, 15611, 17009, 19564, 20970, 24455, 29346, 31222, 34018, 41940, 44019, 46833, 48910, 51027, 58692, 62444, 68036, 73365, 78055, 85045, 88038, 93666, 97820, 102054, 140499, 146730, 153081, 156110, 170090, 176076, 187332, 204108, 220095, 234165, 255135, 280998, 293460, 306162, 312220, 340180, 440190, 468330, 510270, 561996, 612324, 702495, 765405, 880380, 936660, 1020540, 1139603, 1404990, 1530810, 2279206, 2809980, 3061620, 3418809, 4558412, 5698015, 6837618, 10256427, 11396030, 13675236, 17094045, 20512854, 22792060, 34188090, 41025708, 51282135, 68376180, 102564270, 205128540]

約数ペア:

[(1, 205128540), (2, 102564270), (3, 68376180), (4, 51282135), (5, 41025708), (6, 34188090), (9, 22792060), (10, 20512854), (12, 17094045), (15, 13675236), (18, 11396030), (20, 10256427), (30, 6837618), (36, 5698015), (45, 4558412), (60, 3418809), (67, 3061620), (73, 2809980), (90, 2279206), (134, 1530810), (146, 1404990), (180, 1139603), (201, 1020540), (219, 936660), (233, 880380), (268, 765405), (292, 702495), (335, 612324), (365, 561996), (402, 510270), (438, 468330), (466, 440190), (603, 340180), (657, 312220), (670, 306162), (699, 293460), (730, 280998), (804, 255135), (876, 234165), (932, 220095), (1005, 204108), (1095, 187332), (1165, 176076), (1206, 170090), (1314, 156110), (1340, 153081), (1398, 146730), (1460, 140499), (2010, 102054), (2097, 97820), (2190, 93666), (2330, 88038), (2412, 85045), (2628, 78055), (2796, 73365), (3015, 68036), (3285, 62444), (3495, 58692), (4020, 51027), (4194, 48910), (4380, 46833), (4660, 44019), (4891, 41940), (6030, 34018), (6570, 31222), (6990, 29346), (8388, 24455), (9782, 20970), (10485, 19564), (12060, 17009), (13140, 15611), (13980, 14673)]