139920560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 160

約数和(自身を含む): 377684160

約数和(自身を除く): 237763600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 73, 76, 80, 95, 97, 104, 130, 146, 152, 190, 194, 208, 247, 260, 292, 304, 365, 380, 388, 485, 494, 520, 584, 730, 760, 776, 949, 970, 988, 1040, 1168, 1235, 1261, 1387, 1460, 1520, 1552, 1843, 1898, 1940, 1976, 2470, 2522, 2774, 2920, 3686, 3796, 3880, 3952, 4745, 4940, 5044, 5548, 5840, 6305, 6935, 7081, 7372, 7592, 7760, 9215, 9490, 9880, 10088, 11096, 12610, 13870, 14162, 14744, 15184, 18031, 18430, 18980, 19760, 20176, 22192, 23959, 25220, 27740, 28324, 29488, 35405, 36062, 36860, 37960, 47918, 50440, 55480, 56648, 70810, 72124, 73720, 75920, 90155, 92053, 95836, 100880, 110960, 113296, 119795, 134539, 141620, 144248, 147440, 180310, 184106, 191672, 239590, 269078, 283240, 288496, 360620, 368212, 383344, 460265, 479180, 538156, 566480, 672695, 721240, 736424, 920530, 958360, 1076312, 1345390, 1442480, 1472848, 1749007, 1841060, 1916720, 2152624, 2690780, 3498014, 3682120, 5381560, 6996028, 7364240, 8745035, 10763120, 13992056, 17490070, 27984112, 34980140, 69960280, 139920560]

約数ペア:

[(1, 139920560), (2, 69960280), (4, 34980140), (5, 27984112), (8, 17490070), (10, 13992056), (13, 10763120), (16, 8745035), (19, 7364240), (20, 6996028), (26, 5381560), (38, 3682120), (40, 3498014), (52, 2690780), (65, 2152624), (73, 1916720), (76, 1841060), (80, 1749007), (95, 1472848), (97, 1442480), (104, 1345390), (130, 1076312), (146, 958360), (152, 920530), (190, 736424), (194, 721240), (208, 672695), (247, 566480), (260, 538156), (292, 479180), (304, 460265), (365, 383344), (380, 368212), (388, 360620), (485, 288496), (494, 283240), (520, 269078), (584, 239590), (730, 191672), (760, 184106), (776, 180310), (949, 147440), (970, 144248), (988, 141620), (1040, 134539), (1168, 119795), (1235, 113296), (1261, 110960), (1387, 100880), (1460, 95836), (1520, 92053), (1552, 90155), (1843, 75920), (1898, 73720), (1940, 72124), (1976, 70810), (2470, 56648), (2522, 55480), (2774, 50440), (2920, 47918), (3686, 37960), (3796, 36860), (3880, 36062), (3952, 35405), (4745, 29488), (4940, 28324), (5044, 27740), (5548, 25220), (5840, 23959), (6305, 22192), (6935, 20176), (7081, 19760), (7372, 18980), (7592, 18430), (7760, 18031), (9215, 15184), (9490, 14744), (9880, 14162), (10088, 13870), (11096, 12610)]