135678720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 439296480

約数和(自身を除く): 303617760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 240, 256, 267, 320, 356, 384, 397, 445, 480, 534, 640, 712, 768, 794, 890, 960, 1068, 1191, 1280, 1335, 1424, 1588, 1780, 1920, 1985, 2136, 2382, 2670, 2848, 3176, 3560, 3840, 3970, 4272, 4764, 5340, 5696, 5955, 6352, 7120, 7940, 8544, 9528, 10680, 11392, 11910, 12704, 14240, 15880, 17088, 19056, 21360, 22784, 23820, 25408, 28480, 31760, 34176, 35333, 38112, 42720, 47640, 50816, 56960, 63520, 68352, 70666, 76224, 85440, 95280, 101632, 105999, 113920, 127040, 141332, 152448, 170880, 176665, 190560, 211998, 254080, 282664, 304896, 341760, 353330, 381120, 423996, 508160, 529995, 565328, 706660, 762240, 847992, 1059990, 1130656, 1413320, 1524480, 1695984, 2119980, 2261312, 2826640, 3391968, 4239960, 4522624, 5653280, 6783936, 8479920, 9045248, 11306560, 13567872, 16959840, 22613120, 27135744, 33919680, 45226240, 67839360, 135678720]

約数ペア:

[(1, 135678720), (2, 67839360), (3, 45226240), (4, 33919680), (5, 27135744), (6, 22613120), (8, 16959840), (10, 13567872), (12, 11306560), (15, 9045248), (16, 8479920), (20, 6783936), (24, 5653280), (30, 4522624), (32, 4239960), (40, 3391968), (48, 2826640), (60, 2261312), (64, 2119980), (80, 1695984), (89, 1524480), (96, 1413320), (120, 1130656), (128, 1059990), (160, 847992), (178, 762240), (192, 706660), (240, 565328), (256, 529995), (267, 508160), (320, 423996), (356, 381120), (384, 353330), (397, 341760), (445, 304896), (480, 282664), (534, 254080), (640, 211998), (712, 190560), (768, 176665), (794, 170880), (890, 152448), (960, 141332), (1068, 127040), (1191, 113920), (1280, 105999), (1335, 101632), (1424, 95280), (1588, 85440), (1780, 76224), (1920, 70666), (1985, 68352), (2136, 63520), (2382, 56960), (2670, 50816), (2848, 47640), (3176, 42720), (3560, 38112), (3840, 35333), (3970, 34176), (4272, 31760), (4764, 28480), (5340, 25408), (5696, 23820), (5955, 22784), (6352, 21360), (7120, 19056), (7940, 17088), (8544, 15880), (9528, 14240), (10680, 12704), (11392, 11910)]