131207360

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 112

約数和(自身を含む): 335767680

約数和(自身を除く): 204560320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 89, 136, 160, 170, 178, 271, 272, 320, 340, 356, 445, 542, 544, 680, 712, 890, 1084, 1088, 1355, 1360, 1424, 1513, 1780, 2168, 2710, 2720, 2848, 3026, 3560, 4336, 4607, 5420, 5440, 5696, 6052, 7120, 7565, 8672, 9214, 10840, 12104, 14240, 15130, 17344, 18428, 21680, 23035, 24119, 24208, 28480, 30260, 36856, 43360, 46070, 48238, 48416, 60520, 73712, 86720, 92140, 96476, 96832, 120595, 121040, 147424, 184280, 192952, 241190, 242080, 294848, 368560, 385904, 410023, 482380, 484160, 737120, 771808, 820046, 964760, 1474240, 1543616, 1640092, 1929520, 2050115, 3280184, 3859040, 4100230, 6560368, 7718080, 8200460, 13120736, 16400920, 26241472, 32801840, 65603680, 131207360]

約数ペア:

[(1, 131207360), (2, 65603680), (4, 32801840), (5, 26241472), (8, 16400920), (10, 13120736), (16, 8200460), (17, 7718080), (20, 6560368), (32, 4100230), (34, 3859040), (40, 3280184), (64, 2050115), (68, 1929520), (80, 1640092), (85, 1543616), (89, 1474240), (136, 964760), (160, 820046), (170, 771808), (178, 737120), (271, 484160), (272, 482380), (320, 410023), (340, 385904), (356, 368560), (445, 294848), (542, 242080), (544, 241190), (680, 192952), (712, 184280), (890, 147424), (1084, 121040), (1088, 120595), (1355, 96832), (1360, 96476), (1424, 92140), (1513, 86720), (1780, 73712), (2168, 60520), (2710, 48416), (2720, 48238), (2848, 46070), (3026, 43360), (3560, 36856), (4336, 30260), (4607, 28480), (5420, 24208), (5440, 24119), (5696, 23035), (6052, 21680), (7120, 18428), (7565, 17344), (8672, 15130), (9214, 14240), (10840, 12104)]