80107720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 152135480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 839, 868, 1085, 1240, 1364, 1540, 1678, 1705, 1736, 2170, 2387, 2728, 3080, 3356, 3410, 4195, 4340, 4774, 5873, 6712, 6820, 8390, 8680, 9229, 9548, 11746, 11935, 13640, 16780, 18458, 19096, 23492, 23870, 26009, 29365, 33560, 36916, 46145, 46984, 47740, 52018, 58730, 64603, 73832, 92290, 95480, 104036, 117460, 129206, 130045, 182063, 184580, 208072, 234920, 258412, 260090, 286099, 323015, 364126, 369160, 516824, 520180, 572198, 646030, 728252, 910315, 1040360, 1144396, 1292060, 1430495, 1456504, 1820630, 2002693, 2288792, 2584120, 2860990, 3641260, 4005386, 5721980, 7282520, 8010772, 10013465, 11443960, 16021544, 20026930, 40053860, 80107720]

約数ペア:

[(1, 80107720), (2, 40053860), (4, 20026930), (5, 16021544), (7, 11443960), (8, 10013465), (10, 8010772), (11, 7282520), (14, 5721980), (20, 4005386), (22, 3641260), (28, 2860990), (31, 2584120), (35, 2288792), (40, 2002693), (44, 1820630), (55, 1456504), (56, 1430495), (62, 1292060), (70, 1144396), (77, 1040360), (88, 910315), (110, 728252), (124, 646030), (140, 572198), (154, 520180), (155, 516824), (217, 369160), (220, 364126), (248, 323015), (280, 286099), (308, 260090), (310, 258412), (341, 234920), (385, 208072), (434, 184580), (440, 182063), (616, 130045), (620, 129206), (682, 117460), (770, 104036), (839, 95480), (868, 92290), (1085, 73832), (1240, 64603), (1364, 58730), (1540, 52018), (1678, 47740), (1705, 46984), (1736, 46145), (2170, 36916), (2387, 33560), (2728, 29365), (3080, 26009), (3356, 23870), (3410, 23492), (4195, 19096), (4340, 18458), (4774, 16780), (5873, 13640), (6712, 11935), (6820, 11746), (8390, 9548), (8680, 9229)]