128796780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 192

約数和(自身を含む): 438681600

約数和(自身を除く): 309884820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 67, 69, 70, 84, 92, 105, 115, 134, 138, 140, 161, 199, 201, 210, 230, 268, 276, 322, 335, 345, 398, 402, 420, 460, 469, 483, 597, 644, 670, 690, 796, 804, 805, 938, 966, 995, 1005, 1194, 1340, 1380, 1393, 1407, 1541, 1610, 1876, 1932, 1990, 2010, 2345, 2388, 2415, 2786, 2814, 2985, 3082, 3220, 3980, 4020, 4179, 4577, 4623, 4690, 4830, 5572, 5628, 5970, 6164, 6965, 7035, 7705, 8358, 9154, 9246, 9380, 9660, 10787, 11940, 13333, 13731, 13930, 14070, 15410, 16716, 18308, 18492, 20895, 21574, 22885, 23115, 26666, 27462, 27860, 28140, 30820, 32039, 32361, 39999, 41790, 43148, 45770, 46230, 53332, 53935, 54924, 64078, 64722, 66665, 68655, 79998, 83580, 91540, 92460, 93331, 96117, 107870, 128156, 129444, 133330, 137310, 159996, 160195, 161805, 186662, 192234, 199995, 215740, 266660, 274620, 279993, 306659, 320390, 323610, 373324, 384468, 399990, 466655, 480585, 559986, 613318, 640780, 647220, 799980, 919977, 933310, 961170, 1119972, 1226636, 1399965, 1533295, 1839954, 1866620, 1922340, 2146613, 2799930, 3066590, 3679908, 4293226, 4599885, 5599860, 6133180, 6439839, 8586452, 9199770, 10733065, 12879678, 18399540, 21466130, 25759356, 32199195, 42932260, 64398390, 128796780]

約数ペア:

[(1, 128796780), (2, 64398390), (3, 42932260), (4, 32199195), (5, 25759356), (6, 21466130), (7, 18399540), (10, 12879678), (12, 10733065), (14, 9199770), (15, 8586452), (20, 6439839), (21, 6133180), (23, 5599860), (28, 4599885), (30, 4293226), (35, 3679908), (42, 3066590), (46, 2799930), (60, 2146613), (67, 1922340), (69, 1866620), (70, 1839954), (84, 1533295), (92, 1399965), (105, 1226636), (115, 1119972), (134, 961170), (138, 933310), (140, 919977), (161, 799980), (199, 647220), (201, 640780), (210, 613318), (230, 559986), (268, 480585), (276, 466655), (322, 399990), (335, 384468), (345, 373324), (398, 323610), (402, 320390), (420, 306659), (460, 279993), (469, 274620), (483, 266660), (597, 215740), (644, 199995), (670, 192234), (690, 186662), (796, 161805), (804, 160195), (805, 159996), (938, 137310), (966, 133330), (995, 129444), (1005, 128156), (1194, 107870), (1340, 96117), (1380, 93331), (1393, 92460), (1407, 91540), (1541, 83580), (1610, 79998), (1876, 68655), (1932, 66665), (1990, 64722), (2010, 64078), (2345, 54924), (2388, 53935), (2415, 53332), (2786, 46230), (2814, 45770), (2985, 43148), (3082, 41790), (3220, 39999), (3980, 32361), (4020, 32039), (4179, 30820), (4577, 28140), (4623, 27860), (4690, 27462), (4830, 26666), (5572, 23115), (5628, 22885), (5970, 21574), (6164, 20895), (6965, 18492), (7035, 18308), (7705, 16716), (8358, 15410), (9154, 14070), (9246, 13930), (9380, 13731), (9660, 13333), (10787, 11940)]