1981744440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1054

約数の個数: 256

約数和(自身を含む): 6769889280

約数和(自身を除く): 4788144840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 43, 52, 60, 62, 65, 78, 86, 93, 104, 120, 124, 129, 130, 155, 156, 172, 186, 195, 215, 248, 258, 260, 310, 312, 344, 372, 390, 403, 430, 465, 516, 520, 559, 620, 645, 744, 780, 806, 860, 930, 953, 1032, 1118, 1209, 1240, 1290, 1333, 1560, 1612, 1677, 1720, 1860, 1906, 2015, 2236, 2418, 2580, 2666, 2795, 2859, 3224, 3354, 3720, 3812, 3999, 4030, 4472, 4765, 4836, 5160, 5332, 5590, 5718, 6045, 6665, 6708, 7624, 7998, 8060, 8385, 9530, 9672, 10664, 11180, 11436, 12090, 12389, 13330, 13416, 14295, 15996, 16120, 16770, 17329, 19060, 19995, 22360, 22872, 24180, 24778, 26660, 28590, 29543, 31992, 33540, 34658, 37167, 38120, 39990, 40979, 48360, 49556, 51987, 53320, 57180, 59086, 61945, 67080, 69316, 74334, 79980, 81958, 86645, 88629, 99112, 103974, 114360, 118172, 122937, 123890, 138632, 147715, 148668, 159960, 163916, 173290, 177258, 185835, 204895, 207948, 236344, 245874, 247780, 259935, 295430, 297336, 327832, 346580, 354516, 371670, 384059, 409790, 415896, 443145, 491748, 495560, 519870, 532727, 590860, 614685, 693160, 709032, 743340, 768118, 819580, 886290, 983496, 1039740, 1065454, 1152177, 1181720, 1229370, 1270349, 1486680, 1536236, 1598181, 1639160, 1772580, 1920295, 2079480, 2130908, 2304354, 2458740, 2540698, 2663635, 3072472, 3196362, 3545160, 3811047, 3840590, 4261816, 4608708, 4917480, 5081396, 5327270, 5760885, 6351745, 6392724, 7622094, 7681180, 7990905, 9217416, 10162792, 10654540, 11521770, 12703490, 12785448, 15244188, 15362360, 15981810, 16514537, 19055235, 21309080, 23043540, 25406980, 30488376, 31963620, 33029074, 38110470, 46087080, 49543611, 50813960, 63927240, 66058148, 76220940, 82572685, 99087222, 132116296, 152441880, 165145370, 198174444, 247718055, 330290740, 396348888, 495436110, 660581480, 990872220, 1981744440]

約数ペア:

[(1, 1981744440), (2, 990872220), (3, 660581480), (4, 495436110), (5, 396348888), (6, 330290740), (8, 247718055), (10, 198174444), (12, 165145370), (13, 152441880), (15, 132116296), (20, 99087222), (24, 82572685), (26, 76220940), (30, 66058148), (31, 63927240), (39, 50813960), (40, 49543611), (43, 46087080), (52, 38110470), (60, 33029074), (62, 31963620), (65, 30488376), (78, 25406980), (86, 23043540), (93, 21309080), (104, 19055235), (120, 16514537), (124, 15981810), (129, 15362360), (130, 15244188), (155, 12785448), (156, 12703490), (172, 11521770), (186, 10654540), (195, 10162792), (215, 9217416), (248, 7990905), (258, 7681180), (260, 7622094), (310, 6392724), (312, 6351745), (344, 5760885), (372, 5327270), (390, 5081396), (403, 4917480), (430, 4608708), (465, 4261816), (516, 3840590), (520, 3811047), (559, 3545160), (620, 3196362), (645, 3072472), (744, 2663635), (780, 2540698), (806, 2458740), (860, 2304354), (930, 2130908), (953, 2079480), (1032, 1920295), (1118, 1772580), (1209, 1639160), (1240, 1598181), (1290, 1536236), (1333, 1486680), (1560, 1270349), (1612, 1229370), (1677, 1181720), (1720, 1152177), (1860, 1065454), (1906, 1039740), (2015, 983496), (2236, 886290), (2418, 819580), (2580, 768118), (2666, 743340), (2795, 709032), (2859, 693160), (3224, 614685), (3354, 590860), (3720, 532727), (3812, 519870), (3999, 495560), (4030, 491748), (4472, 443145), (4765, 415896), (4836, 409790), (5160, 384059), (5332, 371670), (5590, 354516), (5718, 346580), (6045, 327832), (6665, 297336), (6708, 295430), (7624, 259935), (7998, 247780), (8060, 245874), (8385, 236344), (9530, 207948), (9672, 204895), (10664, 185835), (11180, 177258), (11436, 173290), (12090, 163916), (12389, 159960), (13330, 148668), (13416, 147715), (14295, 138632), (15996, 123890), (16120, 122937), (16770, 118172), (17329, 114360), (19060, 103974), (19995, 99112), (22360, 88629), (22872, 86645), (24180, 81958), (24778, 79980), (26660, 74334), (28590, 69316), (29543, 67080), (31992, 61945), (33540, 59086), (34658, 57180), (37167, 53320), (38120, 51987), (39990, 49556), (40979, 48360)]