1912220640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{120721}}^1$

素因数の和:120753

約数の個数: 144

約数和(自身を含む): 7118734896

約数和(自身を除く): 5206514256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 15840, 120721, 241442, 362163, 482884, 603605, 724326, 965768, 1086489, 1207210, 1327931, 1448652, 1810815, 1931536, 2172978, 2414420, 2655862, 2897304, 3621630, 3863072, 3983793, 4345956, 4828840, 5311724, 5432445, 5794608, 6639655, 7243260, 7967586, 8691912, 9657680, 10623448, 10864890, 11589216, 11951379, 13279310, 14486520, 15935172, 17383824, 19315360, 19918965, 21246896, 21729780, 23902758, 26558620, 28973040, 31870344, 34767648, 39837930, 42493792, 43459560, 47805516, 53117240, 57946080, 59756895, 63740688, 79675860, 86919120, 95611032, 106234480, 119513790, 127481376, 159351720, 173838240, 191222064, 212468960, 239027580, 318703440, 382444128, 478055160, 637406880, 956110320, 1912220640]

約数ペア:

[(1, 1912220640), (2, 956110320), (3, 637406880), (4, 478055160), (5, 382444128), (6, 318703440), (8, 239027580), (9, 212468960), (10, 191222064), (11, 173838240), (12, 159351720), (15, 127481376), (16, 119513790), (18, 106234480), (20, 95611032), (22, 86919120), (24, 79675860), (30, 63740688), (32, 59756895), (33, 57946080), (36, 53117240), (40, 47805516), (44, 43459560), (45, 42493792), (48, 39837930), (55, 34767648), (60, 31870344), (66, 28973040), (72, 26558620), (80, 23902758), (88, 21729780), (90, 21246896), (96, 19918965), (99, 19315360), (110, 17383824), (120, 15935172), (132, 14486520), (144, 13279310), (160, 11951379), (165, 11589216), (176, 10864890), (180, 10623448), (198, 9657680), (220, 8691912), (240, 7967586), (264, 7243260), (288, 6639655), (330, 5794608), (352, 5432445), (360, 5311724), (396, 4828840), (440, 4345956), (480, 3983793), (495, 3863072), (528, 3621630), (660, 2897304), (720, 2655862), (792, 2414420), (880, 2172978), (990, 1931536), (1056, 1810815), (1320, 1448652), (1440, 1327931), (1584, 1207210), (1760, 1086489), (1980, 965768), (2640, 724326), (3168, 603605), (3960, 482884), (5280, 362163), (7920, 241442), (15840, 120721)]