317687580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:409

約数の個数: 216

約数和(自身を含む): 1132840800

約数和(自身を除く): 815153220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 181, 196, 199, 210, 245, 252, 294, 315, 362, 398, 420, 441, 490, 543, 588, 597, 630, 724, 735, 796, 882, 905, 980, 995, 1086, 1194, 1260, 1267, 1393, 1470, 1629, 1764, 1791, 1810, 1990, 2172, 2205, 2388, 2534, 2715, 2786, 2940, 2985, 3258, 3582, 3620, 3801, 3980, 4179, 4410, 5068, 5430, 5572, 5970, 6335, 6516, 6965, 7164, 7602, 8145, 8358, 8820, 8869, 8955, 9751, 10860, 11403, 11940, 12537, 12670, 13930, 15204, 16290, 16716, 17738, 17910, 19005, 19502, 20895, 22806, 25074, 25340, 26607, 27860, 29253, 32580, 35476, 35820, 36019, 38010, 39004, 41790, 44345, 45612, 48755, 50148, 53214, 57015, 58506, 62685, 72038, 76020, 79821, 83580, 87759, 88690, 97510, 106428, 108057, 114030, 117012, 125370, 133035, 144076, 146265, 159642, 175518, 177380, 180095, 195020, 216114, 228060, 250740, 252133, 266070, 292530, 319284, 324171, 351036, 360190, 399105, 432228, 438795, 504266, 532140, 540285, 585060, 648342, 720380, 756399, 798210, 877590, 1008532, 1080570, 1260665, 1296684, 1512798, 1596420, 1620855, 1755180, 1764931, 2161140, 2269197, 2521330, 3025596, 3241710, 3529862, 3781995, 4538394, 5042660, 5294793, 6483420, 7059724, 7563990, 8824655, 9076788, 10589586, 11345985, 15127980, 15884379, 17649310, 21179172, 22691970, 26473965, 31768758, 35298620, 45383940, 52947930, 63537516, 79421895, 105895860, 158843790, 317687580]

約数ペア:

[(1, 317687580), (2, 158843790), (3, 105895860), (4, 79421895), (5, 63537516), (6, 52947930), (7, 45383940), (9, 35298620), (10, 31768758), (12, 26473965), (14, 22691970), (15, 21179172), (18, 17649310), (20, 15884379), (21, 15127980), (28, 11345985), (30, 10589586), (35, 9076788), (36, 8824655), (42, 7563990), (45, 7059724), (49, 6483420), (60, 5294793), (63, 5042660), (70, 4538394), (84, 3781995), (90, 3529862), (98, 3241710), (105, 3025596), (126, 2521330), (140, 2269197), (147, 2161140), (180, 1764931), (181, 1755180), (196, 1620855), (199, 1596420), (210, 1512798), (245, 1296684), (252, 1260665), (294, 1080570), (315, 1008532), (362, 877590), (398, 798210), (420, 756399), (441, 720380), (490, 648342), (543, 585060), (588, 540285), (597, 532140), (630, 504266), (724, 438795), (735, 432228), (796, 399105), (882, 360190), (905, 351036), (980, 324171), (995, 319284), (1086, 292530), (1194, 266070), (1260, 252133), (1267, 250740), (1393, 228060), (1470, 216114), (1629, 195020), (1764, 180095), (1791, 177380), (1810, 175518), (1990, 159642), (2172, 146265), (2205, 144076), (2388, 133035), (2534, 125370), (2715, 117012), (2786, 114030), (2940, 108057), (2985, 106428), (3258, 97510), (3582, 88690), (3620, 87759), (3801, 83580), (3980, 79821), (4179, 76020), (4410, 72038), (5068, 62685), (5430, 58506), (5572, 57015), (5970, 53214), (6335, 50148), (6516, 48755), (6965, 45612), (7164, 44345), (7602, 41790), (8145, 39004), (8358, 38010), (8820, 36019), (8869, 35820), (8955, 35476), (9751, 32580), (10860, 29253), (11403, 27860), (11940, 26607), (12537, 25340), (12670, 25074), (13930, 22806), (15204, 20895), (16290, 19502), (16716, 19005), (17738, 17910)]