64251540

素因数分解:

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

素因数の和:18821

約数の個数: 72

約数和(自身を含む): 205164960

約数和(自身を除く): 140913420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 18787, 37574, 56361, 75148, 93935, 112722, 169083, 187870, 225444, 281805, 338166, 356953, 375740, 563610, 676332, 713906, 845415, 1070859, 1127220, 1427812, 1690830, 1784765, 2141718, 3212577, 3381660, 3569530, 4283436, 5354295, 6425154, 7139060, 10708590, 12850308, 16062885, 21417180, 32125770, 64251540]

約数ペア:

[(1, 64251540), (2, 32125770), (3, 21417180), (4, 16062885), (5, 12850308), (6, 10708590), (9, 7139060), (10, 6425154), (12, 5354295), (15, 4283436), (18, 3569530), (19, 3381660), (20, 3212577), (30, 2141718), (36, 1784765), (38, 1690830), (45, 1427812), (57, 1127220), (60, 1070859), (76, 845415), (90, 713906), (95, 676332), (114, 563610), (171, 375740), (180, 356953), (190, 338166), (228, 281805), (285, 225444), (342, 187870), (380, 169083), (570, 112722), (684, 93935), (855, 75148), (1140, 56361), (1710, 37574), (3420, 18787)]