163561580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 440745984

約数和(自身を除く): 277184404

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 169, 182, 217, 223, 260, 310, 338, 364, 403, 434, 446, 455, 620, 676, 806, 845, 868, 892, 910, 1085, 1115, 1183, 1561, 1612, 1690, 1820, 2015, 2170, 2230, 2366, 2821, 2899, 3122, 3380, 4030, 4340, 4460, 4732, 5239, 5642, 5798, 5915, 6244, 6913, 7805, 8060, 10478, 11284, 11596, 11830, 13826, 14105, 14495, 15610, 20293, 20956, 23660, 26195, 27652, 28210, 28990, 31220, 34565, 36673, 37687, 40586, 48391, 52390, 56420, 57980, 69130, 73346, 75374, 81172, 89869, 96782, 101465, 104780, 138260, 146692, 150748, 179738, 183365, 188435, 193564, 202930, 241955, 263809, 359476, 366730, 376870, 405860, 449345, 483910, 527618, 629083, 733460, 753740, 898690, 967820, 1055236, 1168297, 1258166, 1319045, 1797380, 2336594, 2516332, 2638090, 3145415, 4673188, 5276180, 5841485, 6290830, 8178079, 11682970, 12581660, 16356158, 23365940, 32712316, 40890395, 81780790, 163561580]

約数ペア:

[(1, 163561580), (2, 81780790), (4, 40890395), (5, 32712316), (7, 23365940), (10, 16356158), (13, 12581660), (14, 11682970), (20, 8178079), (26, 6290830), (28, 5841485), (31, 5276180), (35, 4673188), (52, 3145415), (62, 2638090), (65, 2516332), (70, 2336594), (91, 1797380), (124, 1319045), (130, 1258166), (140, 1168297), (155, 1055236), (169, 967820), (182, 898690), (217, 753740), (223, 733460), (260, 629083), (310, 527618), (338, 483910), (364, 449345), (403, 405860), (434, 376870), (446, 366730), (455, 359476), (620, 263809), (676, 241955), (806, 202930), (845, 193564), (868, 188435), (892, 183365), (910, 179738), (1085, 150748), (1115, 146692), (1183, 138260), (1561, 104780), (1612, 101465), (1690, 96782), (1820, 89869), (2015, 81172), (2170, 75374), (2230, 73346), (2366, 69130), (2821, 57980), (2899, 56420), (3122, 52390), (3380, 48391), (4030, 40586), (4340, 37687), (4460, 36673), (4732, 34565), (5239, 31220), (5642, 28990), (5798, 28210), (5915, 27652), (6244, 26195), (6913, 23660), (7805, 20956), (8060, 20293), (10478, 15610), (11284, 14495), (11596, 14105), (11830, 13826)]