1561761396

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:486

約数の個数: 144

約数和(自身を含む): 4340568960

約数和(自身を除く): 2778807564

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 103, 117, 156, 179, 181, 206, 234, 309, 358, 362, 412, 468, 537, 543, 618, 716, 724, 927, 1074, 1086, 1236, 1339, 1611, 1629, 1854, 2148, 2172, 2327, 2353, 2678, 3222, 3258, 3708, 4017, 4654, 4706, 5356, 6444, 6516, 6981, 7059, 8034, 9308, 9412, 12051, 13962, 14118, 16068, 18437, 18643, 20943, 21177, 24102, 27924, 28236, 32399, 36874, 37286, 41886, 42354, 48204, 55311, 55929, 64798, 73748, 74572, 83772, 84708, 97197, 110622, 111858, 129596, 165933, 167787, 194394, 221244, 223716, 239681, 242359, 291591, 331866, 335574, 388788, 421187, 479362, 484718, 583182, 663732, 671148, 719043, 727077, 842374, 958724, 969436, 1166364, 1263561, 1438086, 1454154, 1684748, 2157129, 2181231, 2527122, 2876172, 2908308, 3337097, 3790683, 4314258, 4362462, 5054244, 6674194, 7581366, 8628516, 8724924, 10011291, 13348388, 15162732, 20022582, 30033873, 40045164, 43382261, 60067746, 86764522, 120135492, 130146783, 173529044, 260293566, 390440349, 520587132, 780880698, 1561761396]

約数ペア:

[(1, 1561761396), (2, 780880698), (3, 520587132), (4, 390440349), (6, 260293566), (9, 173529044), (12, 130146783), (13, 120135492), (18, 86764522), (26, 60067746), (36, 43382261), (39, 40045164), (52, 30033873), (78, 20022582), (103, 15162732), (117, 13348388), (156, 10011291), (179, 8724924), (181, 8628516), (206, 7581366), (234, 6674194), (309, 5054244), (358, 4362462), (362, 4314258), (412, 3790683), (468, 3337097), (537, 2908308), (543, 2876172), (618, 2527122), (716, 2181231), (724, 2157129), (927, 1684748), (1074, 1454154), (1086, 1438086), (1236, 1263561), (1339, 1166364), (1611, 969436), (1629, 958724), (1854, 842374), (2148, 727077), (2172, 719043), (2327, 671148), (2353, 663732), (2678, 583182), (3222, 484718), (3258, 479362), (3708, 421187), (4017, 388788), (4654, 335574), (4706, 331866), (5356, 291591), (6444, 242359), (6516, 239681), (6981, 223716), (7059, 221244), (8034, 194394), (9308, 167787), (9412, 165933), (12051, 129596), (13962, 111858), (14118, 110622), (16068, 97197), (18437, 84708), (18643, 83772), (20943, 74572), (21177, 73748), (24102, 64798), (27924, 55929), (28236, 55311), (32399, 48204), (36874, 42354), (37286, 41886)]