222687920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 160

約数和(自身を含む): 644542080

約数和(自身を除く): 421854160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 181, 182, 208, 260, 280, 338, 362, 364, 455, 520, 560, 676, 724, 728, 845, 905, 910, 1040, 1183, 1267, 1352, 1448, 1456, 1690, 1810, 1820, 2197, 2353, 2366, 2534, 2704, 2896, 3380, 3620, 3640, 4394, 4706, 4732, 5068, 5915, 6335, 6760, 7240, 7280, 8788, 9412, 9464, 10136, 10985, 11765, 11830, 12670, 13520, 14480, 15379, 16471, 17576, 18824, 18928, 20272, 21970, 23530, 23660, 25340, 30589, 30758, 32942, 35152, 37648, 43940, 47060, 47320, 50680, 61178, 61516, 65884, 76895, 82355, 87880, 94120, 94640, 101360, 122356, 123032, 131768, 152945, 153790, 164710, 175760, 188240, 214123, 244712, 246064, 263536, 305890, 307580, 329420, 397657, 428246, 489424, 611780, 615160, 658840, 795314, 856492, 1070615, 1223560, 1230320, 1317680, 1590628, 1712984, 1988285, 2141230, 2447120, 2783599, 3181256, 3425968, 3976570, 4282460, 5567198, 6362512, 7953140, 8564920, 11134396, 13917995, 15906280, 17129840, 22268792, 27835990, 31812560, 44537584, 55671980, 111343960, 222687920]

約数ペア:

[(1, 222687920), (2, 111343960), (4, 55671980), (5, 44537584), (7, 31812560), (8, 27835990), (10, 22268792), (13, 17129840), (14, 15906280), (16, 13917995), (20, 11134396), (26, 8564920), (28, 7953140), (35, 6362512), (40, 5567198), (52, 4282460), (56, 3976570), (65, 3425968), (70, 3181256), (80, 2783599), (91, 2447120), (104, 2141230), (112, 1988285), (130, 1712984), (140, 1590628), (169, 1317680), (181, 1230320), (182, 1223560), (208, 1070615), (260, 856492), (280, 795314), (338, 658840), (362, 615160), (364, 611780), (455, 489424), (520, 428246), (560, 397657), (676, 329420), (724, 307580), (728, 305890), (845, 263536), (905, 246064), (910, 244712), (1040, 214123), (1183, 188240), (1267, 175760), (1352, 164710), (1448, 153790), (1456, 152945), (1690, 131768), (1810, 123032), (1820, 122356), (2197, 101360), (2353, 94640), (2366, 94120), (2534, 87880), (2704, 82355), (2896, 76895), (3380, 65884), (3620, 61516), (3640, 61178), (4394, 50680), (4706, 47320), (4732, 47060), (5068, 43940), (5915, 37648), (6335, 35152), (6760, 32942), (7240, 30758), (7280, 30589), (8788, 25340), (9412, 23660), (9464, 23530), (10136, 21970), (10985, 20272), (11765, 18928), (11830, 18824), (12670, 17576), (13520, 16471), (14480, 15379)]