128503080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18787}}^1$

素因数の和:18823

約数の個数: 96

約数和(自身を含む): 439639200

約数和(自身を除く): 311136120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 18787, 37574, 56361, 75148, 93935, 112722, 150296, 169083, 187870, 225444, 281805, 338166, 356953, 375740, 450888, 563610, 676332, 713906, 751480, 845415, 1070859, 1127220, 1352664, 1427812, 1690830, 1784765, 2141718, 2254440, 2855624, 3212577, 3381660, 3569530, 4283436, 5354295, 6425154, 6763320, 7139060, 8566872, 10708590, 12850308, 14278120, 16062885, 21417180, 25700616, 32125770, 42834360, 64251540, 128503080]

約数ペア:

[(1, 128503080), (2, 64251540), (3, 42834360), (4, 32125770), (5, 25700616), (6, 21417180), (8, 16062885), (9, 14278120), (10, 12850308), (12, 10708590), (15, 8566872), (18, 7139060), (19, 6763320), (20, 6425154), (24, 5354295), (30, 4283436), (36, 3569530), (38, 3381660), (40, 3212577), (45, 2855624), (57, 2254440), (60, 2141718), (72, 1784765), (76, 1690830), (90, 1427812), (95, 1352664), (114, 1127220), (120, 1070859), (152, 845415), (171, 751480), (180, 713906), (190, 676332), (228, 563610), (285, 450888), (342, 375740), (360, 356953), (380, 338166), (456, 281805), (570, 225444), (684, 187870), (760, 169083), (855, 150296), (1140, 112722), (1368, 93935), (1710, 75148), (2280, 56361), (3420, 37574), (6840, 18787)]