25439760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 120

約数和(自身を含む): 86612760

約数和(自身を除く): 61173000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 240, 267, 356, 360, 397, 445, 534, 712, 720, 794, 801, 890, 1068, 1191, 1335, 1424, 1588, 1602, 1780, 1985, 2136, 2382, 2670, 3176, 3204, 3560, 3573, 3970, 4005, 4272, 4764, 5340, 5955, 6352, 6408, 7120, 7146, 7940, 8010, 9528, 10680, 11910, 12816, 14292, 15880, 16020, 17865, 19056, 21360, 23820, 28584, 31760, 32040, 35333, 35730, 47640, 57168, 64080, 70666, 71460, 95280, 105999, 141332, 142920, 176665, 211998, 282664, 285840, 317997, 353330, 423996, 529995, 565328, 635994, 706660, 847992, 1059990, 1271988, 1413320, 1589985, 1695984, 2119980, 2543976, 2826640, 3179970, 4239960, 5087952, 6359940, 8479920, 12719880, 25439760]

約数ペア:

[(1, 25439760), (2, 12719880), (3, 8479920), (4, 6359940), (5, 5087952), (6, 4239960), (8, 3179970), (9, 2826640), (10, 2543976), (12, 2119980), (15, 1695984), (16, 1589985), (18, 1413320), (20, 1271988), (24, 1059990), (30, 847992), (36, 706660), (40, 635994), (45, 565328), (48, 529995), (60, 423996), (72, 353330), (80, 317997), (89, 285840), (90, 282664), (120, 211998), (144, 176665), (178, 142920), (180, 141332), (240, 105999), (267, 95280), (356, 71460), (360, 70666), (397, 64080), (445, 57168), (534, 47640), (712, 35730), (720, 35333), (794, 32040), (801, 31760), (890, 28584), (1068, 23820), (1191, 21360), (1335, 19056), (1424, 17865), (1588, 16020), (1602, 15880), (1780, 14292), (1985, 12816), (2136, 11910), (2382, 10680), (2670, 9528), (3176, 8010), (3204, 7940), (3560, 7146), (3573, 7120), (3970, 6408), (4005, 6352), (4272, 5955), (4764, 5340)]