80315820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1$

素因数の和:721

約数の個数: 192

約数和(自身を含む): 285344640

約数和(自身を除く): 205028820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 340, 351, 390, 442, 459, 468, 510, 540, 585, 612, 663, 673, 702, 765, 780, 884, 918, 1020, 1105, 1170, 1326, 1346, 1404, 1530, 1755, 1836, 1989, 2019, 2210, 2295, 2340, 2652, 2692, 3060, 3315, 3365, 3510, 3978, 4038, 4420, 4590, 5967, 6057, 6630, 6730, 7020, 7956, 8076, 8749, 9180, 9945, 10095, 11441, 11934, 12114, 13260, 13460, 17498, 18171, 19890, 20190, 22882, 23868, 24228, 26247, 29835, 30285, 34323, 34996, 36342, 39780, 40380, 43745, 45764, 52494, 57205, 59670, 60570, 68646, 72684, 78741, 87490, 90855, 102969, 104988, 114410, 119340, 121140, 131235, 137292, 148733, 157482, 171615, 174980, 181710, 205938, 228820, 236223, 262470, 297466, 308907, 314964, 343230, 363420, 393705, 411876, 446199, 472446, 514845, 524940, 594932, 617814, 686460, 743665, 787410, 892398, 944892, 1029690, 1181115, 1235628, 1338597, 1487330, 1544535, 1574820, 1784796, 2059380, 2230995, 2362230, 2677194, 2974660, 3089070, 4015791, 4461990, 4724460, 5354388, 6178140, 6692985, 8031582, 8923980, 13385970, 16063164, 20078955, 26771940, 40157910, 80315820]

約数ペア:

[(1, 80315820), (2, 40157910), (3, 26771940), (4, 20078955), (5, 16063164), (6, 13385970), (9, 8923980), (10, 8031582), (12, 6692985), (13, 6178140), (15, 5354388), (17, 4724460), (18, 4461990), (20, 4015791), (26, 3089070), (27, 2974660), (30, 2677194), (34, 2362230), (36, 2230995), (39, 2059380), (45, 1784796), (51, 1574820), (52, 1544535), (54, 1487330), (60, 1338597), (65, 1235628), (68, 1181115), (78, 1029690), (85, 944892), (90, 892398), (102, 787410), (108, 743665), (117, 686460), (130, 617814), (135, 594932), (153, 524940), (156, 514845), (170, 472446), (180, 446199), (195, 411876), (204, 393705), (221, 363420), (234, 343230), (255, 314964), (260, 308907), (270, 297466), (306, 262470), (340, 236223), (351, 228820), (390, 205938), (442, 181710), (459, 174980), (468, 171615), (510, 157482), (540, 148733), (585, 137292), (612, 131235), (663, 121140), (673, 119340), (702, 114410), (765, 104988), (780, 102969), (884, 90855), (918, 87490), (1020, 78741), (1105, 72684), (1170, 68646), (1326, 60570), (1346, 59670), (1404, 57205), (1530, 52494), (1755, 45764), (1836, 43745), (1989, 40380), (2019, 39780), (2210, 36342), (2295, 34996), (2340, 34323), (2652, 30285), (2692, 29835), (3060, 26247), (3315, 24228), (3365, 23868), (3510, 22882), (3978, 20190), (4038, 19890), (4420, 18171), (4590, 17498), (5967, 13460), (6057, 13260), (6630, 12114), (6730, 11934), (7020, 11441), (7956, 10095), (8076, 9945), (8749, 9180)]