390931080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5531}}^1$

素因数の和:5595

約数の個数: 128

約数和(自身を含む): 1274572800

約数和(自身を除く): 883641720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2945, 3534, 3720, 4712, 5531, 5890, 7068, 8835, 11062, 11780, 14136, 16593, 17670, 22124, 23560, 27655, 33186, 35340, 44248, 55310, 66372, 70680, 82965, 105089, 110620, 132744, 165930, 171461, 210178, 221240, 315267, 331860, 342922, 420356, 514383, 525445, 630534, 663720, 685844, 840712, 857305, 1028766, 1050890, 1261068, 1371688, 1576335, 1714610, 2057532, 2101780, 2522136, 2571915, 3152670, 3257759, 3429220, 4115064, 4203560, 5143830, 6305340, 6515518, 6858440, 9773277, 10287660, 12610680, 13031036, 16288795, 19546554, 20575320, 26062072, 32577590, 39093108, 48866385, 65155180, 78186216, 97732770, 130310360, 195465540, 390931080]

約数ペア:

[(1, 390931080), (2, 195465540), (3, 130310360), (4, 97732770), (5, 78186216), (6, 65155180), (8, 48866385), (10, 39093108), (12, 32577590), (15, 26062072), (19, 20575320), (20, 19546554), (24, 16288795), (30, 13031036), (31, 12610680), (38, 10287660), (40, 9773277), (57, 6858440), (60, 6515518), (62, 6305340), (76, 5143830), (93, 4203560), (95, 4115064), (114, 3429220), (120, 3257759), (124, 3152670), (152, 2571915), (155, 2522136), (186, 2101780), (190, 2057532), (228, 1714610), (248, 1576335), (285, 1371688), (310, 1261068), (372, 1050890), (380, 1028766), (456, 857305), (465, 840712), (570, 685844), (589, 663720), (620, 630534), (744, 525445), (760, 514383), (930, 420356), (1140, 342922), (1178, 331860), (1240, 315267), (1767, 221240), (1860, 210178), (2280, 171461), (2356, 165930), (2945, 132744), (3534, 110620), (3720, 105089), (4712, 82965), (5531, 70680), (5890, 66372), (7068, 55310), (8835, 44248), (11062, 35340), (11780, 33186), (14136, 27655), (16593, 23560), (17670, 22124)]