181377280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:712

約数の個数: 144

約数和(自身を含む): 513321984

約数和(自身を除く): 331944704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 653, 868, 896, 992, 1085, 1120, 1240, 1280, 1306, 1736, 1792, 1984, 2170, 2240, 2480, 2612, 3265, 3472, 3968, 4340, 4480, 4571, 4960, 5224, 6530, 6944, 7936, 8680, 8960, 9142, 9920, 10448, 13060, 13888, 17360, 18284, 19840, 20243, 20896, 22855, 26120, 27776, 34720, 36568, 39680, 40486, 41792, 45710, 52240, 55552, 69440, 73136, 80972, 83584, 91420, 101215, 104480, 138880, 141701, 146272, 161944, 167168, 182840, 202430, 208960, 277760, 283402, 292544, 323888, 365680, 404860, 417920, 566804, 585088, 647776, 708505, 731360, 809720, 835840, 1133608, 1170176, 1295552, 1417010, 1462720, 1619440, 2267216, 2591104, 2834020, 2925440, 3238880, 4534432, 5182208, 5668040, 5850880, 6477760, 9068864, 11336080, 12955520, 18137728, 22672160, 25911040, 36275456, 45344320, 90688640, 181377280]

約数ペア:

[(1, 181377280), (2, 90688640), (4, 45344320), (5, 36275456), (7, 25911040), (8, 22672160), (10, 18137728), (14, 12955520), (16, 11336080), (20, 9068864), (28, 6477760), (31, 5850880), (32, 5668040), (35, 5182208), (40, 4534432), (56, 3238880), (62, 2925440), (64, 2834020), (70, 2591104), (80, 2267216), (112, 1619440), (124, 1462720), (128, 1417010), (140, 1295552), (155, 1170176), (160, 1133608), (217, 835840), (224, 809720), (248, 731360), (256, 708505), (280, 647776), (310, 585088), (320, 566804), (434, 417920), (448, 404860), (496, 365680), (560, 323888), (620, 292544), (640, 283402), (653, 277760), (868, 208960), (896, 202430), (992, 182840), (1085, 167168), (1120, 161944), (1240, 146272), (1280, 141701), (1306, 138880), (1736, 104480), (1792, 101215), (1984, 91420), (2170, 83584), (2240, 80972), (2480, 73136), (2612, 69440), (3265, 55552), (3472, 52240), (3968, 45710), (4340, 41792), (4480, 40486), (4571, 39680), (4960, 36568), (5224, 34720), (6530, 27776), (6944, 26120), (7936, 22855), (8680, 20896), (8960, 20243), (9142, 19840), (9920, 18284), (10448, 17360), (13060, 13888)]