1290621360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40433}}^1$

素因数の和:40475

約数の個数: 160

約数和(自身を含む): 4813263360

約数和(自身を除く): 3522642000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7980, 10640, 15960, 31920, 40433, 80866, 121299, 161732, 202165, 242598, 283031, 323464, 404330, 485196, 566062, 606495, 646928, 768227, 808660, 849093, 970392, 1132124, 1212990, 1415155, 1536454, 1617320, 1698186, 1940784, 2264248, 2304681, 2425980, 2830310, 3072908, 3234640, 3396372, 3841135, 4245465, 4528496, 4609362, 4851960, 5377589, 5660620, 6145816, 6792744, 7682270, 8490930, 9218724, 9703920, 10755178, 11321240, 11523405, 12291632, 13585488, 15364540, 16132767, 16981860, 18437448, 21510356, 22642480, 23046810, 26887945, 30729080, 32265534, 33963720, 36874896, 43020712, 46093620, 53775890, 61458160, 64531068, 67927440, 80663835, 86041424, 92187240, 107551780, 129062136, 161327670, 184374480, 215103560, 258124272, 322655340, 430207120, 645310680, 1290621360]

約数ペア:

[(1, 1290621360), (2, 645310680), (3, 430207120), (4, 322655340), (5, 258124272), (6, 215103560), (7, 184374480), (8, 161327670), (10, 129062136), (12, 107551780), (14, 92187240), (15, 86041424), (16, 80663835), (19, 67927440), (20, 64531068), (21, 61458160), (24, 53775890), (28, 46093620), (30, 43020712), (35, 36874896), (38, 33963720), (40, 32265534), (42, 30729080), (48, 26887945), (56, 23046810), (57, 22642480), (60, 21510356), (70, 18437448), (76, 16981860), (80, 16132767), (84, 15364540), (95, 13585488), (105, 12291632), (112, 11523405), (114, 11321240), (120, 10755178), (133, 9703920), (140, 9218724), (152, 8490930), (168, 7682270), (190, 6792744), (210, 6145816), (228, 5660620), (240, 5377589), (266, 4851960), (280, 4609362), (285, 4528496), (304, 4245465), (336, 3841135), (380, 3396372), (399, 3234640), (420, 3072908), (456, 2830310), (532, 2425980), (560, 2304681), (570, 2264248), (665, 1940784), (760, 1698186), (798, 1617320), (840, 1536454), (912, 1415155), (1064, 1212990), (1140, 1132124), (1330, 970392), (1520, 849093), (1596, 808660), (1680, 768227), (1995, 646928), (2128, 606495), (2280, 566062), (2660, 485196), (3192, 404330), (3990, 323464), (4560, 283031), (5320, 242598), (6384, 202165), (7980, 161732), (10640, 121299), (15960, 80866), (31920, 40433)]