305399640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27967}}^1$

素因数の和:28001

約数の個数: 128

約数和(自身を含む): 1127669760

約数和(自身を除く): 822270120

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, 10920, 27967, 55934, 83901, 111868, 139835, 167802, 195769, 223736, 279670, 335604, 363571, 391538, 419505, 559340, 587307, 671208, 727142, 783076, 839010, 978845, 1090713, 1118680, 1174614, 1454284, 1566152, 1678020, 1817855, 1957690, 2181426, 2349228, 2544997, 2908568, 2936535, 3356040, 3635710, 3915380, 4362852, 4698456, 5089994, 5453565, 5873070, 7271420, 7634991, 7830760, 8725704, 10179988, 10907130, 11746140, 12724985, 14542840, 15269982, 20359976, 21814260, 23492280, 25449970, 30539964, 38174955, 43628520, 50899940, 61079928, 76349910, 101799880, 152699820, 305399640]

約数ペア:

[(1, 305399640), (2, 152699820), (3, 101799880), (4, 76349910), (5, 61079928), (6, 50899940), (7, 43628520), (8, 38174955), (10, 30539964), (12, 25449970), (13, 23492280), (14, 21814260), (15, 20359976), (20, 15269982), (21, 14542840), (24, 12724985), (26, 11746140), (28, 10907130), (30, 10179988), (35, 8725704), (39, 7830760), (40, 7634991), (42, 7271420), (52, 5873070), (56, 5453565), (60, 5089994), (65, 4698456), (70, 4362852), (78, 3915380), (84, 3635710), (91, 3356040), (104, 2936535), (105, 2908568), (120, 2544997), (130, 2349228), (140, 2181426), (156, 1957690), (168, 1817855), (182, 1678020), (195, 1566152), (210, 1454284), (260, 1174614), (273, 1118680), (280, 1090713), (312, 978845), (364, 839010), (390, 783076), (420, 727142), (455, 671208), (520, 587307), (546, 559340), (728, 419505), (780, 391538), (840, 363571), (910, 335604), (1092, 279670), (1365, 223736), (1560, 195769), (1820, 167802), (2184, 139835), (2730, 111868), (3640, 83901), (5460, 55934), (10920, 27967)]