20127680400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{51929}}^1$

素因数の和:51986

約数の個数: 240

約数和(自身を含む): 71862811200

約数和(自身を除く): 51735130800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 25, 30, 34, 38, 40, 48, 50, 51, 57, 60, 68, 75, 76, 80, 85, 95, 100, 102, 114, 120, 136, 150, 152, 170, 190, 200, 204, 228, 240, 255, 272, 285, 300, 304, 323, 340, 380, 400, 408, 425, 456, 475, 510, 570, 600, 646, 680, 760, 816, 850, 912, 950, 969, 1020, 1140, 1200, 1275, 1292, 1360, 1425, 1520, 1615, 1700, 1900, 1938, 2040, 2280, 2550, 2584, 2850, 3230, 3400, 3800, 3876, 4080, 4560, 4845, 5100, 5168, 5700, 6460, 6800, 7600, 7752, 8075, 9690, 10200, 11400, 12920, 15504, 16150, 19380, 20400, 22800, 24225, 25840, 32300, 38760, 48450, 51929, 64600, 77520, 96900, 103858, 129200, 155787, 193800, 207716, 259645, 311574, 387600, 415432, 519290, 623148, 778935, 830864, 882793, 986651, 1038580, 1246296, 1298225, 1557870, 1765586, 1973302, 2077160, 2492592, 2596450, 2648379, 2959953, 3115740, 3531172, 3894675, 3946604, 4154320, 4413965, 4933255, 5192900, 5296758, 5919906, 6231480, 7062344, 7789350, 7893208, 8827930, 9866510, 10385800, 10593516, 11839812, 12462960, 13241895, 14124688, 14799765, 15578700, 15786416, 16773067, 17655860, 19733020, 20771600, 21187032, 22069825, 23679624, 24666275, 26483790, 29599530, 31157400, 33546134, 35311720, 39466040, 42374064, 44139650, 47359248, 49332550, 50319201, 52967580, 59199060, 62314800, 66209475, 67092268, 70623440, 73998825, 78932080, 83865335, 88279300, 98665100, 100638402, 105935160, 118398120, 132418950, 134184536, 147997650, 167730670, 176558600, 197330200, 201276804, 211870320, 236796240, 251596005, 264837900, 268369072, 295995300, 335461340, 353117200, 394660400, 402553608, 419326675, 503192010, 529675800, 591990600, 670922680, 805107216, 838653350, 1006384020, 1059351600, 1183981200, 1257980025, 1341845360, 1677306700, 2012768040, 2515960050, 3354613400, 4025536080, 5031920100, 6709226800, 10063840200, 20127680400]

約数ペア:

[(1, 20127680400), (2, 10063840200), (3, 6709226800), (4, 5031920100), (5, 4025536080), (6, 3354613400), (8, 2515960050), (10, 2012768040), (12, 1677306700), (15, 1341845360), (16, 1257980025), (17, 1183981200), (19, 1059351600), (20, 1006384020), (24, 838653350), (25, 805107216), (30, 670922680), (34, 591990600), (38, 529675800), (40, 503192010), (48, 419326675), (50, 402553608), (51, 394660400), (57, 353117200), (60, 335461340), (68, 295995300), (75, 268369072), (76, 264837900), (80, 251596005), (85, 236796240), (95, 211870320), (100, 201276804), (102, 197330200), (114, 176558600), (120, 167730670), (136, 147997650), (150, 134184536), (152, 132418950), (170, 118398120), (190, 105935160), (200, 100638402), (204, 98665100), (228, 88279300), (240, 83865335), (255, 78932080), (272, 73998825), (285, 70623440), (300, 67092268), (304, 66209475), (323, 62314800), (340, 59199060), (380, 52967580), (400, 50319201), (408, 49332550), (425, 47359248), (456, 44139650), (475, 42374064), (510, 39466040), (570, 35311720), (600, 33546134), (646, 31157400), (680, 29599530), (760, 26483790), (816, 24666275), (850, 23679624), (912, 22069825), (950, 21187032), (969, 20771600), (1020, 19733020), (1140, 17655860), (1200, 16773067), (1275, 15786416), (1292, 15578700), (1360, 14799765), (1425, 14124688), (1520, 13241895), (1615, 12462960), (1700, 11839812), (1900, 10593516), (1938, 10385800), (2040, 9866510), (2280, 8827930), (2550, 7893208), (2584, 7789350), (2850, 7062344), (3230, 6231480), (3400, 5919906), (3800, 5296758), (3876, 5192900), (4080, 4933255), (4560, 4413965), (4845, 4154320), (5100, 3946604), (5168, 3894675), (5700, 3531172), (6460, 3115740), (6800, 2959953), (7600, 2648379), (7752, 2596450), (8075, 2492592), (9690, 2077160), (10200, 1973302), (11400, 1765586), (12920, 1557870), (15504, 1298225), (16150, 1246296), (19380, 1038580), (20400, 986651), (22800, 882793), (24225, 830864), (25840, 778935), (32300, 623148), (38760, 519290), (48450, 415432), (51929, 387600), (64600, 311574), (77520, 259645), (96900, 207716), (103858, 193800), (129200, 155787)]