74878440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6857}}^1$

素因数の和:6891

約数の個数: 128

約数和(自身を含む): 276514560

約数和(自身を除く): 201636120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 6857, 10920, 13714, 20571, 27428, 34285, 41142, 47999, 54856, 68570, 82284, 89141, 95998, 102855, 137140, 143997, 164568, 178282, 191996, 205710, 239995, 267423, 274280, 287994, 356564, 383992, 411420, 445705, 479990, 534846, 575988, 623987, 713128, 719985, 822840, 891410, 959980, 1069692, 1151976, 1247974, 1337115, 1439970, 1782820, 1871961, 1919960, 2139384, 2495948, 2674230, 2879940, 3119935, 3565640, 3743922, 4991896, 5348460, 5759880, 6239870, 7487844, 9359805, 10696920, 12479740, 14975688, 18719610, 24959480, 37439220, 74878440]

約数ペア:

[(1, 74878440), (2, 37439220), (3, 24959480), (4, 18719610), (5, 14975688), (6, 12479740), (7, 10696920), (8, 9359805), (10, 7487844), (12, 6239870), (13, 5759880), (14, 5348460), (15, 4991896), (20, 3743922), (21, 3565640), (24, 3119935), (26, 2879940), (28, 2674230), (30, 2495948), (35, 2139384), (39, 1919960), (40, 1871961), (42, 1782820), (52, 1439970), (56, 1337115), (60, 1247974), (65, 1151976), (70, 1069692), (78, 959980), (84, 891410), (91, 822840), (104, 719985), (105, 713128), (120, 623987), (130, 575988), (140, 534846), (156, 479990), (168, 445705), (182, 411420), (195, 383992), (210, 356564), (260, 287994), (273, 274280), (280, 267423), (312, 239995), (364, 205710), (390, 191996), (420, 178282), (455, 164568), (520, 143997), (546, 137140), (728, 102855), (780, 95998), (840, 89141), (910, 82284), (1092, 68570), (1365, 54856), (1560, 47999), (1820, 41142), (2184, 34285), (2730, 27428), (3640, 20571), (5460, 13714), (6857, 10920)]