1621031760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:766

約数の個数: 240

約数和(自身を含む): 5648544720

約数和(自身を除く): 4027512960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 89, 90, 120, 123, 144, 164, 178, 180, 205, 240, 246, 267, 328, 356, 360, 369, 410, 445, 492, 534, 615, 617, 656, 712, 720, 738, 801, 820, 890, 984, 1068, 1230, 1234, 1335, 1424, 1476, 1602, 1640, 1780, 1845, 1851, 1968, 2136, 2460, 2468, 2670, 2952, 3085, 3204, 3280, 3560, 3649, 3690, 3702, 4005, 4272, 4920, 4936, 5340, 5553, 5904, 6170, 6408, 7120, 7298, 7380, 7404, 8010, 9255, 9840, 9872, 10680, 10947, 11106, 12340, 12816, 14596, 14760, 14808, 16020, 18245, 18510, 21360, 21894, 22212, 24680, 25297, 27765, 29192, 29520, 29616, 32040, 32841, 36490, 37020, 43788, 44424, 49360, 50594, 54735, 54913, 55530, 58384, 64080, 65682, 72980, 74040, 75891, 87576, 88848, 101188, 109470, 109826, 111060, 126485, 131364, 145960, 148080, 151782, 164205, 164739, 175152, 202376, 218940, 219652, 222120, 227673, 252970, 262728, 274565, 291920, 303564, 328410, 329478, 379455, 404752, 437880, 439304, 444240, 455346, 494217, 505940, 525456, 549130, 607128, 656820, 658956, 758910, 823695, 875760, 878608, 910692, 988434, 1011880, 1098260, 1138365, 1214256, 1313640, 1317912, 1517820, 1647390, 1821384, 1976868, 2023760, 2196520, 2251433, 2276730, 2471085, 2627280, 2635824, 3035640, 3294780, 3642768, 3953736, 4393040, 4502866, 4553460, 4942170, 6071280, 6589560, 6754299, 7907472, 9005732, 9106920, 9884340, 11257165, 13179120, 13508598, 18011464, 18213840, 19768680, 20262897, 22514330, 27017196, 33771495, 36022928, 39537360, 40525794, 45028660, 54034392, 67542990, 81051588, 90057320, 101314485, 108068784, 135085980, 162103176, 180114640, 202628970, 270171960, 324206352, 405257940, 540343920, 810515880, 1621031760]

約数ペア:

[(1, 1621031760), (2, 810515880), (3, 540343920), (4, 405257940), (5, 324206352), (6, 270171960), (8, 202628970), (9, 180114640), (10, 162103176), (12, 135085980), (15, 108068784), (16, 101314485), (18, 90057320), (20, 81051588), (24, 67542990), (30, 54034392), (36, 45028660), (40, 40525794), (41, 39537360), (45, 36022928), (48, 33771495), (60, 27017196), (72, 22514330), (80, 20262897), (82, 19768680), (89, 18213840), (90, 18011464), (120, 13508598), (123, 13179120), (144, 11257165), (164, 9884340), (178, 9106920), (180, 9005732), (205, 7907472), (240, 6754299), (246, 6589560), (267, 6071280), (328, 4942170), (356, 4553460), (360, 4502866), (369, 4393040), (410, 3953736), (445, 3642768), (492, 3294780), (534, 3035640), (615, 2635824), (617, 2627280), (656, 2471085), (712, 2276730), (720, 2251433), (738, 2196520), (801, 2023760), (820, 1976868), (890, 1821384), (984, 1647390), (1068, 1517820), (1230, 1317912), (1234, 1313640), (1335, 1214256), (1424, 1138365), (1476, 1098260), (1602, 1011880), (1640, 988434), (1780, 910692), (1845, 878608), (1851, 875760), (1968, 823695), (2136, 758910), (2460, 658956), (2468, 656820), (2670, 607128), (2952, 549130), (3085, 525456), (3204, 505940), (3280, 494217), (3560, 455346), (3649, 444240), (3690, 439304), (3702, 437880), (4005, 404752), (4272, 379455), (4920, 329478), (4936, 328410), (5340, 303564), (5553, 291920), (5904, 274565), (6170, 262728), (6408, 252970), (7120, 227673), (7298, 222120), (7380, 219652), (7404, 218940), (8010, 202376), (9255, 175152), (9840, 164739), (9872, 164205), (10680, 151782), (10947, 148080), (11106, 145960), (12340, 131364), (12816, 126485), (14596, 111060), (14760, 109826), (14808, 109470), (16020, 101188), (18245, 88848), (18510, 87576), (21360, 75891), (21894, 74040), (22212, 72980), (24680, 65682), (25297, 64080), (27765, 58384), (29192, 55530), (29520, 54913), (29616, 54735), (32040, 50594), (32841, 49360), (36490, 44424), (37020, 43788)]