128063880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:684

約数の個数: 192

約数和(自身を含む): 481852800

約数和(自身を除く): 353788920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 89, 90, 105, 120, 126, 140, 168, 178, 180, 210, 252, 267, 280, 315, 356, 360, 420, 445, 504, 534, 571, 623, 630, 712, 801, 840, 890, 1068, 1142, 1246, 1260, 1335, 1602, 1713, 1780, 1869, 2136, 2284, 2492, 2520, 2670, 2855, 3115, 3204, 3426, 3560, 3738, 3997, 4005, 4568, 4984, 5139, 5340, 5607, 5710, 6230, 6408, 6852, 7476, 7994, 8010, 8565, 9345, 10278, 10680, 11214, 11420, 11991, 12460, 13704, 14952, 15988, 16020, 17130, 18690, 19985, 20556, 22428, 22840, 23982, 24920, 25695, 28035, 31976, 32040, 34260, 35973, 37380, 39970, 41112, 44856, 47964, 50819, 51390, 56070, 59955, 68520, 71946, 74760, 79940, 95928, 101638, 102780, 112140, 119910, 143892, 152457, 159880, 179865, 203276, 205560, 224280, 239820, 254095, 287784, 304914, 355733, 359730, 406552, 457371, 479640, 508190, 609828, 711466, 719460, 762285, 914742, 1016380, 1067199, 1219656, 1422932, 1438920, 1524570, 1778665, 1829484, 2032760, 2134398, 2286855, 2845864, 3049140, 3201597, 3557330, 3658968, 4268796, 4573710, 5335995, 6098280, 6403194, 7114660, 8537592, 9147420, 10671990, 12806388, 14229320, 16007985, 18294840, 21343980, 25612776, 32015970, 42687960, 64031940, 128063880]

約数ペア:

[(1, 128063880), (2, 64031940), (3, 42687960), (4, 32015970), (5, 25612776), (6, 21343980), (7, 18294840), (8, 16007985), (9, 14229320), (10, 12806388), (12, 10671990), (14, 9147420), (15, 8537592), (18, 7114660), (20, 6403194), (21, 6098280), (24, 5335995), (28, 4573710), (30, 4268796), (35, 3658968), (36, 3557330), (40, 3201597), (42, 3049140), (45, 2845864), (56, 2286855), (60, 2134398), (63, 2032760), (70, 1829484), (72, 1778665), (84, 1524570), (89, 1438920), (90, 1422932), (105, 1219656), (120, 1067199), (126, 1016380), (140, 914742), (168, 762285), (178, 719460), (180, 711466), (210, 609828), (252, 508190), (267, 479640), (280, 457371), (315, 406552), (356, 359730), (360, 355733), (420, 304914), (445, 287784), (504, 254095), (534, 239820), (571, 224280), (623, 205560), (630, 203276), (712, 179865), (801, 159880), (840, 152457), (890, 143892), (1068, 119910), (1142, 112140), (1246, 102780), (1260, 101638), (1335, 95928), (1602, 79940), (1713, 74760), (1780, 71946), (1869, 68520), (2136, 59955), (2284, 56070), (2492, 51390), (2520, 50819), (2670, 47964), (2855, 44856), (3115, 41112), (3204, 39970), (3426, 37380), (3560, 35973), (3738, 34260), (3997, 32040), (4005, 31976), (4568, 28035), (4984, 25695), (5139, 24920), (5340, 23982), (5607, 22840), (5710, 22428), (6230, 20556), (6408, 19985), (6852, 18690), (7476, 17130), (7994, 16020), (8010, 15988), (8565, 14952), (9345, 13704), (10278, 12460), (10680, 11991), (11214, 11420)]