80942280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 258508800

約数和(自身を除く): 177566520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 131, 152, 190, 228, 262, 271, 285, 380, 393, 456, 524, 542, 570, 655, 760, 786, 813, 1048, 1084, 1140, 1310, 1355, 1572, 1626, 1965, 2168, 2280, 2489, 2620, 2710, 3144, 3252, 3930, 4065, 4978, 5149, 5240, 5420, 6504, 7467, 7860, 8130, 9956, 10298, 10840, 12445, 14934, 15447, 15720, 16260, 19912, 20596, 24890, 25745, 29868, 30894, 32520, 35501, 37335, 41192, 49780, 51490, 59736, 61788, 71002, 74670, 77235, 99560, 102980, 106503, 123576, 142004, 149340, 154470, 177505, 205960, 213006, 284008, 298680, 308940, 355010, 426012, 532515, 617880, 674519, 710020, 852024, 1065030, 1349038, 1420040, 2023557, 2130060, 2698076, 3372595, 4047114, 4260120, 5396152, 6745190, 8094228, 10117785, 13490380, 16188456, 20235570, 26980760, 40471140, 80942280]

約数ペア:

[(1, 80942280), (2, 40471140), (3, 26980760), (4, 20235570), (5, 16188456), (6, 13490380), (8, 10117785), (10, 8094228), (12, 6745190), (15, 5396152), (19, 4260120), (20, 4047114), (24, 3372595), (30, 2698076), (38, 2130060), (40, 2023557), (57, 1420040), (60, 1349038), (76, 1065030), (95, 852024), (114, 710020), (120, 674519), (131, 617880), (152, 532515), (190, 426012), (228, 355010), (262, 308940), (271, 298680), (285, 284008), (380, 213006), (393, 205960), (456, 177505), (524, 154470), (542, 149340), (570, 142004), (655, 123576), (760, 106503), (786, 102980), (813, 99560), (1048, 77235), (1084, 74670), (1140, 71002), (1310, 61788), (1355, 59736), (1572, 51490), (1626, 49780), (1965, 41192), (2168, 37335), (2280, 35501), (2489, 32520), (2620, 30894), (2710, 29868), (3144, 25745), (3252, 24890), (3930, 20596), (4065, 19912), (4978, 16260), (5149, 15720), (5240, 15447), (5420, 14934), (6504, 12445), (7467, 10840), (7860, 10298), (8130, 9956)]