81441750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8353}}^1$

素因数の和:8386

約数の個数: 64

約数和(自身を含む): 218941632

約数和(自身を除く): 137499882

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 3250, 4875, 8353, 9750, 16706, 25059, 41765, 50118, 83530, 108589, 125295, 208825, 217178, 250590, 325767, 417650, 542945, 626475, 651534, 1044125, 1085890, 1252950, 1628835, 2088250, 2714725, 3132375, 3257670, 5429450, 6264750, 8144175, 13573625, 16288350, 27147250, 40720875, 81441750]

約数ペア:

[(1, 81441750), (2, 40720875), (3, 27147250), (5, 16288350), (6, 13573625), (10, 8144175), (13, 6264750), (15, 5429450), (25, 3257670), (26, 3132375), (30, 2714725), (39, 2088250), (50, 1628835), (65, 1252950), (75, 1085890), (78, 1044125), (125, 651534), (130, 626475), (150, 542945), (195, 417650), (250, 325767), (325, 250590), (375, 217178), (390, 208825), (650, 125295), (750, 108589), (975, 83530), (1625, 50118), (1950, 41765), (3250, 25059), (4875, 16706), (8353, 9750)]