74278980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:658

約数の個数: 144

約数和(自身を含む): 243996480

約数和(自身を除く): 169717500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 444, 555, 570, 587, 666, 684, 703, 740, 855, 1110, 1140, 1174, 1332, 1406, 1665, 1710, 1761, 2109, 2220, 2348, 2812, 2935, 3330, 3420, 3515, 3522, 4218, 5283, 5870, 6327, 6660, 7030, 7044, 8436, 8805, 10545, 10566, 11153, 11740, 12654, 14060, 17610, 21090, 21132, 21719, 22306, 25308, 26415, 31635, 33459, 35220, 42180, 43438, 44612, 52830, 55765, 63270, 65157, 66918, 86876, 100377, 105660, 108595, 111530, 126540, 130314, 133836, 167295, 195471, 200754, 217190, 223060, 260628, 325785, 334590, 390942, 401508, 412661, 434380, 501885, 651570, 669180, 781884, 825322, 977355, 1003770, 1237983, 1303140, 1650644, 1954710, 2007540, 2063305, 2475966, 3713949, 3909420, 4126610, 4951932, 6189915, 7427898, 8253220, 12379830, 14855796, 18569745, 24759660, 37139490, 74278980]

約数ペア:

[(1, 74278980), (2, 37139490), (3, 24759660), (4, 18569745), (5, 14855796), (6, 12379830), (9, 8253220), (10, 7427898), (12, 6189915), (15, 4951932), (18, 4126610), (19, 3909420), (20, 3713949), (30, 2475966), (36, 2063305), (37, 2007540), (38, 1954710), (45, 1650644), (57, 1303140), (60, 1237983), (74, 1003770), (76, 977355), (90, 825322), (95, 781884), (111, 669180), (114, 651570), (148, 501885), (171, 434380), (180, 412661), (185, 401508), (190, 390942), (222, 334590), (228, 325785), (285, 260628), (333, 223060), (342, 217190), (370, 200754), (380, 195471), (444, 167295), (555, 133836), (570, 130314), (587, 126540), (666, 111530), (684, 108595), (703, 105660), (740, 100377), (855, 86876), (1110, 66918), (1140, 65157), (1174, 63270), (1332, 55765), (1406, 52830), (1665, 44612), (1710, 43438), (1761, 42180), (2109, 35220), (2220, 33459), (2348, 31635), (2812, 26415), (2935, 25308), (3330, 22306), (3420, 21719), (3515, 21132), (3522, 21090), (4218, 17610), (5283, 14060), (5870, 12654), (6327, 11740), (6660, 11153), (7030, 10566), (7044, 10545), (8436, 8805)]