255009720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1458

約数の個数: 192

約数和(自身を含む): 919296000

約数和(自身を除く): 664286280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 245, 248, 280, 294, 310, 372, 392, 420, 434, 465, 490, 588, 620, 651, 735, 744, 840, 868, 930, 980, 1085, 1176, 1240, 1302, 1399, 1470, 1519, 1736, 1860, 1960, 2170, 2604, 2798, 2940, 3038, 3255, 3720, 4197, 4340, 4557, 5208, 5596, 5880, 6076, 6510, 6995, 7595, 8394, 8680, 9114, 9793, 11192, 12152, 13020, 13990, 15190, 16788, 18228, 19586, 20985, 22785, 26040, 27980, 29379, 30380, 33576, 36456, 39172, 41970, 43369, 45570, 48965, 55960, 58758, 60760, 68551, 78344, 83940, 86738, 91140, 97930, 117516, 130107, 137102, 146895, 167880, 173476, 182280, 195860, 205653, 216845, 235032, 260214, 274204, 293790, 303583, 342755, 346952, 391720, 411306, 433690, 520428, 548408, 587580, 607166, 650535, 685510, 822612, 867380, 910749, 1028265, 1040856, 1175160, 1214332, 1301070, 1371020, 1517915, 1645224, 1734760, 1821498, 2056530, 2125081, 2428664, 2602140, 2742040, 3035830, 3642996, 4113060, 4250162, 4553745, 5204280, 6071660, 6375243, 7285992, 8226120, 8500324, 9107490, 10625405, 12143320, 12750486, 17000648, 18214980, 21250810, 25500972, 31876215, 36429960, 42501620, 51001944, 63752430, 85003240, 127504860, 255009720]

約数ペア:

[(1, 255009720), (2, 127504860), (3, 85003240), (4, 63752430), (5, 51001944), (6, 42501620), (7, 36429960), (8, 31876215), (10, 25500972), (12, 21250810), (14, 18214980), (15, 17000648), (20, 12750486), (21, 12143320), (24, 10625405), (28, 9107490), (30, 8500324), (31, 8226120), (35, 7285992), (40, 6375243), (42, 6071660), (49, 5204280), (56, 4553745), (60, 4250162), (62, 4113060), (70, 3642996), (84, 3035830), (93, 2742040), (98, 2602140), (105, 2428664), (120, 2125081), (124, 2056530), (140, 1821498), (147, 1734760), (155, 1645224), (168, 1517915), (186, 1371020), (196, 1301070), (210, 1214332), (217, 1175160), (245, 1040856), (248, 1028265), (280, 910749), (294, 867380), (310, 822612), (372, 685510), (392, 650535), (420, 607166), (434, 587580), (465, 548408), (490, 520428), (588, 433690), (620, 411306), (651, 391720), (735, 346952), (744, 342755), (840, 303583), (868, 293790), (930, 274204), (980, 260214), (1085, 235032), (1176, 216845), (1240, 205653), (1302, 195860), (1399, 182280), (1470, 173476), (1519, 167880), (1736, 146895), (1860, 137102), (1960, 130107), (2170, 117516), (2604, 97930), (2798, 91140), (2940, 86738), (3038, 83940), (3255, 78344), (3720, 68551), (4197, 60760), (4340, 58758), (4557, 55960), (5208, 48965), (5596, 45570), (5880, 43369), (6076, 41970), (6510, 39172), (6995, 36456), (7595, 33576), (8394, 30380), (8680, 29379), (9114, 27980), (9793, 26040), (11192, 22785), (12152, 20985), (13020, 19586), (13990, 18228), (15190, 16788)]