87284480

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 228355680

約数和(自身を除く): 141071200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 97, 128, 148, 152, 160, 185, 190, 194, 256, 296, 304, 320, 370, 380, 388, 485, 592, 608, 640, 703, 740, 760, 776, 970, 1184, 1216, 1280, 1406, 1480, 1520, 1552, 1843, 1940, 2368, 2432, 2812, 2960, 3040, 3104, 3515, 3589, 3686, 3880, 4736, 4864, 5624, 5920, 6080, 6208, 7030, 7178, 7372, 7760, 9215, 9472, 11248, 11840, 12160, 12416, 14060, 14356, 14744, 15520, 17945, 18430, 22496, 23680, 24320, 24832, 28120, 28712, 29488, 31040, 35890, 36860, 44992, 47360, 56240, 57424, 58976, 62080, 68191, 71780, 73720, 89984, 112480, 114848, 117952, 124160, 136382, 143560, 147440, 179968, 224960, 229696, 235904, 272764, 287120, 294880, 340955, 449920, 459392, 471808, 545528, 574240, 589760, 681910, 899840, 918784, 1091056, 1148480, 1179520, 1363820, 2182112, 2296960, 2359040, 2727640, 4364224, 4593920, 5455280, 8728448, 10910560, 17456896, 21821120, 43642240, 87284480]

約数ペア:

[(1, 87284480), (2, 43642240), (4, 21821120), (5, 17456896), (8, 10910560), (10, 8728448), (16, 5455280), (19, 4593920), (20, 4364224), (32, 2727640), (37, 2359040), (38, 2296960), (40, 2182112), (64, 1363820), (74, 1179520), (76, 1148480), (80, 1091056), (95, 918784), (97, 899840), (128, 681910), (148, 589760), (152, 574240), (160, 545528), (185, 471808), (190, 459392), (194, 449920), (256, 340955), (296, 294880), (304, 287120), (320, 272764), (370, 235904), (380, 229696), (388, 224960), (485, 179968), (592, 147440), (608, 143560), (640, 136382), (703, 124160), (740, 117952), (760, 114848), (776, 112480), (970, 89984), (1184, 73720), (1216, 71780), (1280, 68191), (1406, 62080), (1480, 58976), (1520, 57424), (1552, 56240), (1843, 47360), (1940, 44992), (2368, 36860), (2432, 35890), (2812, 31040), (2960, 29488), (3040, 28712), (3104, 28120), (3515, 24832), (3589, 24320), (3686, 23680), (3880, 22496), (4736, 18430), (4864, 17945), (5624, 15520), (5920, 14744), (6080, 14356), (6208, 14060), (7030, 12416), (7178, 12160), (7372, 11840), (7760, 11248), (9215, 9472)]