405257940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:762

約数の個数: 144

約数和(自身を含む): 1275477840

約数和(自身を除く): 870219900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 89, 90, 123, 164, 178, 180, 205, 246, 267, 356, 369, 410, 445, 492, 534, 615, 617, 738, 801, 820, 890, 1068, 1230, 1234, 1335, 1476, 1602, 1780, 1845, 1851, 2460, 2468, 2670, 3085, 3204, 3649, 3690, 3702, 4005, 5340, 5553, 6170, 7298, 7380, 7404, 8010, 9255, 10947, 11106, 12340, 14596, 16020, 18245, 18510, 21894, 22212, 25297, 27765, 32841, 36490, 37020, 43788, 50594, 54735, 54913, 55530, 65682, 72980, 75891, 101188, 109470, 109826, 111060, 126485, 131364, 151782, 164205, 164739, 218940, 219652, 227673, 252970, 274565, 303564, 328410, 329478, 379455, 455346, 494217, 505940, 549130, 656820, 658956, 758910, 823695, 910692, 988434, 1098260, 1138365, 1517820, 1647390, 1976868, 2251433, 2276730, 2471085, 3294780, 4502866, 4553460, 4942170, 6754299, 9005732, 9884340, 11257165, 13508598, 20262897, 22514330, 27017196, 33771495, 40525794, 45028660, 67542990, 81051588, 101314485, 135085980, 202628970, 405257940]

約数ペア:

[(1, 405257940), (2, 202628970), (3, 135085980), (4, 101314485), (5, 81051588), (6, 67542990), (9, 45028660), (10, 40525794), (12, 33771495), (15, 27017196), (18, 22514330), (20, 20262897), (30, 13508598), (36, 11257165), (41, 9884340), (45, 9005732), (60, 6754299), (82, 4942170), (89, 4553460), (90, 4502866), (123, 3294780), (164, 2471085), (178, 2276730), (180, 2251433), (205, 1976868), (246, 1647390), (267, 1517820), (356, 1138365), (369, 1098260), (410, 988434), (445, 910692), (492, 823695), (534, 758910), (615, 658956), (617, 656820), (738, 549130), (801, 505940), (820, 494217), (890, 455346), (1068, 379455), (1230, 329478), (1234, 328410), (1335, 303564), (1476, 274565), (1602, 252970), (1780, 227673), (1845, 219652), (1851, 218940), (2460, 164739), (2468, 164205), (2670, 151782), (3085, 131364), (3204, 126485), (3649, 111060), (3690, 109826), (3702, 109470), (4005, 101188), (5340, 75891), (5553, 72980), (6170, 65682), (7298, 55530), (7380, 54913), (7404, 54735), (8010, 50594), (9255, 43788), (10947, 37020), (11106, 36490), (12340, 32841), (14596, 27765), (16020, 25297), (18245, 22212), (18510, 21894)]