240931040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 672235200

約数和(自身を除く): 431304160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 160, 196, 224, 245, 280, 316, 389, 392, 395, 490, 553, 560, 632, 778, 784, 790, 980, 1106, 1120, 1264, 1556, 1568, 1580, 1945, 1960, 2212, 2528, 2723, 2765, 3112, 3160, 3871, 3890, 3920, 4424, 5446, 5530, 6224, 6320, 7742, 7780, 7840, 8848, 10892, 11060, 12448, 12640, 13615, 15484, 15560, 17696, 19061, 19355, 21784, 22120, 27230, 30731, 30968, 31120, 38122, 38710, 43568, 44240, 54460, 61462, 61936, 62240, 76244, 77420, 87136, 88480, 95305, 108920, 122924, 123872, 152488, 153655, 154840, 190610, 215117, 217840, 245848, 304976, 307310, 309680, 381220, 430234, 435680, 491696, 609952, 614620, 619360, 762440, 860468, 983392, 1075585, 1229240, 1505819, 1524880, 1720936, 2151170, 2458480, 3011638, 3049760, 3441872, 4302340, 4916960, 6023276, 6883744, 7529095, 8604680, 12046552, 15058190, 17209360, 24093104, 30116380, 34418720, 48186208, 60232760, 120465520, 240931040]

約数ペア:

[(1, 240931040), (2, 120465520), (4, 60232760), (5, 48186208), (7, 34418720), (8, 30116380), (10, 24093104), (14, 17209360), (16, 15058190), (20, 12046552), (28, 8604680), (32, 7529095), (35, 6883744), (40, 6023276), (49, 4916960), (56, 4302340), (70, 3441872), (79, 3049760), (80, 3011638), (98, 2458480), (112, 2151170), (140, 1720936), (158, 1524880), (160, 1505819), (196, 1229240), (224, 1075585), (245, 983392), (280, 860468), (316, 762440), (389, 619360), (392, 614620), (395, 609952), (490, 491696), (553, 435680), (560, 430234), (632, 381220), (778, 309680), (784, 307310), (790, 304976), (980, 245848), (1106, 217840), (1120, 215117), (1264, 190610), (1556, 154840), (1568, 153655), (1580, 152488), (1945, 123872), (1960, 122924), (2212, 108920), (2528, 95305), (2723, 88480), (2765, 87136), (3112, 77420), (3160, 76244), (3871, 62240), (3890, 61936), (3920, 61462), (4424, 54460), (5446, 44240), (5530, 43568), (6224, 38710), (6320, 38122), (7742, 31120), (7780, 30968), (7840, 30731), (8848, 27230), (10892, 22120), (11060, 21784), (12448, 19355), (12640, 19061), (13615, 17696), (15484, 15560)]