72616880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 160

約数和(自身を含む): 205701120

約数和(自身を除く): 133084240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 47, 56, 62, 70, 80, 89, 94, 112, 124, 140, 155, 178, 188, 217, 235, 248, 280, 310, 329, 356, 376, 434, 445, 470, 496, 560, 620, 623, 658, 712, 752, 868, 890, 940, 1085, 1240, 1246, 1316, 1424, 1457, 1645, 1736, 1780, 1880, 2170, 2480, 2492, 2632, 2759, 2914, 3115, 3290, 3472, 3560, 3760, 4183, 4340, 4984, 5264, 5518, 5828, 6230, 6580, 7120, 7285, 8366, 8680, 9968, 10199, 11036, 11656, 12460, 13160, 13795, 14570, 16732, 17360, 19313, 20398, 20915, 22072, 23312, 24920, 26320, 27590, 29140, 29281, 33464, 38626, 40796, 41830, 44144, 49840, 50995, 55180, 58280, 58562, 66928, 77252, 81592, 83660, 96565, 101990, 110360, 116560, 117124, 129673, 146405, 154504, 163184, 167320, 193130, 203980, 220720, 234248, 259346, 292810, 309008, 334640, 386260, 407960, 468496, 518692, 585620, 648365, 772520, 815920, 907711, 1037384, 1171240, 1296730, 1545040, 1815422, 2074768, 2342480, 2593460, 3630844, 4538555, 5186920, 7261688, 9077110, 10373840, 14523376, 18154220, 36308440, 72616880]

約数ペア:

[(1, 72616880), (2, 36308440), (4, 18154220), (5, 14523376), (7, 10373840), (8, 9077110), (10, 7261688), (14, 5186920), (16, 4538555), (20, 3630844), (28, 2593460), (31, 2342480), (35, 2074768), (40, 1815422), (47, 1545040), (56, 1296730), (62, 1171240), (70, 1037384), (80, 907711), (89, 815920), (94, 772520), (112, 648365), (124, 585620), (140, 518692), (155, 468496), (178, 407960), (188, 386260), (217, 334640), (235, 309008), (248, 292810), (280, 259346), (310, 234248), (329, 220720), (356, 203980), (376, 193130), (434, 167320), (445, 163184), (470, 154504), (496, 146405), (560, 129673), (620, 117124), (623, 116560), (658, 110360), (712, 101990), (752, 96565), (868, 83660), (890, 81592), (940, 77252), (1085, 66928), (1240, 58562), (1246, 58280), (1316, 55180), (1424, 50995), (1457, 49840), (1645, 44144), (1736, 41830), (1780, 40796), (1880, 38626), (2170, 33464), (2480, 29281), (2492, 29140), (2632, 27590), (2759, 26320), (2914, 24920), (3115, 23312), (3290, 22072), (3472, 20915), (3560, 20398), (3760, 19313), (4183, 17360), (4340, 16732), (4984, 14570), (5264, 13795), (5518, 13160), (5828, 12460), (6230, 11656), (6580, 11036), (7120, 10199), (7285, 9968), (8366, 8680)]