128601480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{21871}}^1$

素因数の和:21899

約数の個数: 96

約数和(自身を含む): 448813440

約数和(自身を除く): 320211960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 21871, 43742, 65613, 87484, 109355, 131226, 153097, 174968, 218710, 262452, 306194, 328065, 437420, 459291, 524904, 612388, 656130, 765485, 874840, 918582, 1071679, 1224776, 1312260, 1530970, 1837164, 2143358, 2296455, 2624520, 3061940, 3215037, 3674328, 4286716, 4592910, 5358395, 6123880, 6430074, 8573432, 9185820, 10716790, 12860148, 16075185, 18371640, 21433580, 25720296, 32150370, 42867160, 64300740, 128601480]

約数ペア:

[(1, 128601480), (2, 64300740), (3, 42867160), (4, 32150370), (5, 25720296), (6, 21433580), (7, 18371640), (8, 16075185), (10, 12860148), (12, 10716790), (14, 9185820), (15, 8573432), (20, 6430074), (21, 6123880), (24, 5358395), (28, 4592910), (30, 4286716), (35, 3674328), (40, 3215037), (42, 3061940), (49, 2624520), (56, 2296455), (60, 2143358), (70, 1837164), (84, 1530970), (98, 1312260), (105, 1224776), (120, 1071679), (140, 918582), (147, 874840), (168, 765485), (196, 656130), (210, 612388), (245, 524904), (280, 459291), (294, 437420), (392, 328065), (420, 306194), (490, 262452), (588, 218710), (735, 174968), (840, 153097), (980, 131226), (1176, 109355), (1470, 87484), (1960, 65613), (2940, 43742), (5880, 21871)]