30709840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 160

約数和(自身を含む): 88565760

約数和(自身を除く): 57855920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 35, 40, 56, 58, 61, 62, 70, 80, 112, 116, 122, 124, 140, 145, 155, 203, 217, 232, 244, 248, 280, 290, 305, 310, 406, 427, 434, 464, 488, 496, 560, 580, 610, 620, 812, 854, 868, 899, 976, 1015, 1085, 1160, 1220, 1240, 1624, 1708, 1736, 1769, 1798, 1891, 2030, 2135, 2170, 2320, 2440, 2480, 3248, 3416, 3472, 3538, 3596, 3782, 4060, 4270, 4340, 4495, 4880, 6293, 6832, 7076, 7192, 7564, 8120, 8540, 8680, 8845, 8990, 9455, 12383, 12586, 13237, 14152, 14384, 15128, 16240, 17080, 17360, 17690, 17980, 18910, 24766, 25172, 26474, 28304, 30256, 31465, 34160, 35380, 35960, 37820, 49532, 50344, 52948, 54839, 61915, 62930, 66185, 70760, 71920, 75640, 99064, 100688, 105896, 109678, 123830, 125860, 132370, 141520, 151280, 198128, 211792, 219356, 247660, 251720, 264740, 274195, 383873, 438712, 495320, 503440, 529480, 548390, 767746, 877424, 990640, 1058960, 1096780, 1535492, 1919365, 2193560, 3070984, 3838730, 4387120, 6141968, 7677460, 15354920, 30709840]

約数ペア:

[(1, 30709840), (2, 15354920), (4, 7677460), (5, 6141968), (7, 4387120), (8, 3838730), (10, 3070984), (14, 2193560), (16, 1919365), (20, 1535492), (28, 1096780), (29, 1058960), (31, 990640), (35, 877424), (40, 767746), (56, 548390), (58, 529480), (61, 503440), (62, 495320), (70, 438712), (80, 383873), (112, 274195), (116, 264740), (122, 251720), (124, 247660), (140, 219356), (145, 211792), (155, 198128), (203, 151280), (217, 141520), (232, 132370), (244, 125860), (248, 123830), (280, 109678), (290, 105896), (305, 100688), (310, 99064), (406, 75640), (427, 71920), (434, 70760), (464, 66185), (488, 62930), (496, 61915), (560, 54839), (580, 52948), (610, 50344), (620, 49532), (812, 37820), (854, 35960), (868, 35380), (899, 34160), (976, 31465), (1015, 30256), (1085, 28304), (1160, 26474), (1220, 25172), (1240, 24766), (1624, 18910), (1708, 17980), (1736, 17690), (1769, 17360), (1798, 17080), (1891, 16240), (2030, 15128), (2135, 14384), (2170, 14152), (2320, 13237), (2440, 12586), (2480, 12383), (3248, 9455), (3416, 8990), (3472, 8845), (3538, 8680), (3596, 8540), (3782, 8120), (4060, 7564), (4270, 7192), (4340, 7076), (4495, 6832), (4880, 6293)]