163771140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:590

約数の個数: 144

約数和(自身を含む): 513547776

約数和(自身を除く): 349776636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 521, 620, 676, 780, 806, 845, 930, 1014, 1042, 1209, 1563, 1612, 1690, 1860, 2015, 2028, 2084, 2418, 2535, 2605, 3126, 3380, 4030, 4836, 5070, 5210, 5239, 6045, 6252, 6773, 7815, 8060, 10140, 10420, 10478, 12090, 13546, 15630, 15717, 16151, 20319, 20956, 24180, 26195, 27092, 31260, 31434, 32302, 33865, 40638, 48453, 52390, 62868, 64604, 67730, 78585, 80755, 81276, 88049, 96906, 101595, 104780, 135460, 157170, 161510, 176098, 193812, 203190, 209963, 242265, 264147, 314340, 323020, 352196, 406380, 419926, 440245, 484530, 528294, 629889, 839852, 880490, 969060, 1049815, 1056588, 1259778, 1320735, 1760980, 2099630, 2519556, 2641470, 2729519, 3149445, 4199260, 5282940, 5459038, 6298890, 8188557, 10918076, 12597780, 13647595, 16377114, 27295190, 32754228, 40942785, 54590380, 81885570, 163771140]

約数ペア:

[(1, 163771140), (2, 81885570), (3, 54590380), (4, 40942785), (5, 32754228), (6, 27295190), (10, 16377114), (12, 13647595), (13, 12597780), (15, 10918076), (20, 8188557), (26, 6298890), (30, 5459038), (31, 5282940), (39, 4199260), (52, 3149445), (60, 2729519), (62, 2641470), (65, 2519556), (78, 2099630), (93, 1760980), (124, 1320735), (130, 1259778), (155, 1056588), (156, 1049815), (169, 969060), (186, 880490), (195, 839852), (260, 629889), (310, 528294), (338, 484530), (372, 440245), (390, 419926), (403, 406380), (465, 352196), (507, 323020), (521, 314340), (620, 264147), (676, 242265), (780, 209963), (806, 203190), (845, 193812), (930, 176098), (1014, 161510), (1042, 157170), (1209, 135460), (1563, 104780), (1612, 101595), (1690, 96906), (1860, 88049), (2015, 81276), (2028, 80755), (2084, 78585), (2418, 67730), (2535, 64604), (2605, 62868), (3126, 52390), (3380, 48453), (4030, 40638), (4836, 33865), (5070, 32302), (5210, 31434), (5239, 31260), (6045, 27092), (6252, 26195), (6773, 24180), (7815, 20956), (8060, 20319), (10140, 16151), (10420, 15717), (10478, 15630), (12090, 13546)]