161894460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 192

約数和(自身を含む): 564480000

約数和(自身を除く): 402585540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 149, 156, 182, 195, 199, 210, 260, 273, 298, 364, 390, 398, 420, 447, 455, 546, 596, 597, 745, 780, 796, 894, 910, 995, 1043, 1092, 1194, 1365, 1393, 1490, 1788, 1820, 1937, 1990, 2086, 2235, 2388, 2587, 2730, 2786, 2980, 2985, 3129, 3874, 3980, 4172, 4179, 4470, 5174, 5215, 5460, 5572, 5811, 5970, 6258, 6965, 7748, 7761, 8358, 8940, 9685, 10348, 10430, 11622, 11940, 12516, 12935, 13559, 13930, 15522, 15645, 16716, 18109, 19370, 20860, 20895, 23244, 25870, 27118, 27860, 29055, 29651, 31044, 31290, 36218, 38740, 38805, 40677, 41790, 51740, 54236, 54327, 58110, 59302, 62580, 67795, 72436, 77610, 81354, 83580, 88953, 90545, 108654, 116220, 118604, 135590, 148255, 155220, 162708, 177906, 181090, 203385, 207557, 217308, 271180, 271635, 296510, 355812, 362180, 385463, 406770, 415114, 444765, 543270, 593020, 622671, 770926, 813540, 830228, 889530, 1037785, 1086540, 1156389, 1245342, 1541852, 1779060, 1927315, 2075570, 2312778, 2490684, 2698241, 3113355, 3854630, 4151140, 4625556, 5396482, 5781945, 6226710, 7709260, 8094723, 10792964, 11563890, 12453420, 13491205, 16189446, 23127780, 26982410, 32378892, 40473615, 53964820, 80947230, 161894460]

約数ペア:

[(1, 161894460), (2, 80947230), (3, 53964820), (4, 40473615), (5, 32378892), (6, 26982410), (7, 23127780), (10, 16189446), (12, 13491205), (13, 12453420), (14, 11563890), (15, 10792964), (20, 8094723), (21, 7709260), (26, 6226710), (28, 5781945), (30, 5396482), (35, 4625556), (39, 4151140), (42, 3854630), (52, 3113355), (60, 2698241), (65, 2490684), (70, 2312778), (78, 2075570), (84, 1927315), (91, 1779060), (105, 1541852), (130, 1245342), (140, 1156389), (149, 1086540), (156, 1037785), (182, 889530), (195, 830228), (199, 813540), (210, 770926), (260, 622671), (273, 593020), (298, 543270), (364, 444765), (390, 415114), (398, 406770), (420, 385463), (447, 362180), (455, 355812), (546, 296510), (596, 271635), (597, 271180), (745, 217308), (780, 207557), (796, 203385), (894, 181090), (910, 177906), (995, 162708), (1043, 155220), (1092, 148255), (1194, 135590), (1365, 118604), (1393, 116220), (1490, 108654), (1788, 90545), (1820, 88953), (1937, 83580), (1990, 81354), (2086, 77610), (2235, 72436), (2388, 67795), (2587, 62580), (2730, 59302), (2786, 58110), (2980, 54327), (2985, 54236), (3129, 51740), (3874, 41790), (3980, 40677), (4172, 38805), (4179, 38740), (4470, 36218), (5174, 31290), (5215, 31044), (5460, 29651), (5572, 29055), (5811, 27860), (5970, 27118), (6258, 25870), (6965, 23244), (7748, 20895), (7761, 20860), (8358, 19370), (8940, 18109), (9685, 16716), (10348, 15645), (10430, 15522), (11622, 13930), (11940, 13559), (12516, 12935)]