72688500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:611

約数の個数: 144

約数和(自身を含む): 237641040

約数和(自身を除く): 164952540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 75, 87, 90, 100, 116, 125, 145, 150, 174, 180, 225, 250, 261, 290, 300, 348, 375, 435, 450, 500, 522, 557, 580, 725, 750, 870, 900, 1044, 1114, 1125, 1305, 1450, 1500, 1671, 1740, 2175, 2228, 2250, 2610, 2785, 2900, 3342, 3625, 4350, 4500, 5013, 5220, 5570, 6525, 6684, 7250, 8355, 8700, 10026, 10875, 11140, 13050, 13925, 14500, 16153, 16710, 20052, 21750, 25065, 26100, 27850, 32306, 32625, 33420, 41775, 43500, 48459, 50130, 55700, 64612, 65250, 69625, 80765, 83550, 96918, 100260, 125325, 130500, 139250, 145377, 161530, 167100, 193836, 208875, 242295, 250650, 278500, 290754, 323060, 403825, 417750, 484590, 501300, 581508, 626625, 726885, 807650, 835500, 969180, 1211475, 1253250, 1453770, 1615300, 2019125, 2422950, 2506500, 2907540, 3634425, 4038250, 4845900, 6057375, 7268850, 8076500, 12114750, 14537700, 18172125, 24229500, 36344250, 72688500]

約数ペア:

[(1, 72688500), (2, 36344250), (3, 24229500), (4, 18172125), (5, 14537700), (6, 12114750), (9, 8076500), (10, 7268850), (12, 6057375), (15, 4845900), (18, 4038250), (20, 3634425), (25, 2907540), (29, 2506500), (30, 2422950), (36, 2019125), (45, 1615300), (50, 1453770), (58, 1253250), (60, 1211475), (75, 969180), (87, 835500), (90, 807650), (100, 726885), (116, 626625), (125, 581508), (145, 501300), (150, 484590), (174, 417750), (180, 403825), (225, 323060), (250, 290754), (261, 278500), (290, 250650), (300, 242295), (348, 208875), (375, 193836), (435, 167100), (450, 161530), (500, 145377), (522, 139250), (557, 130500), (580, 125325), (725, 100260), (750, 96918), (870, 83550), (900, 80765), (1044, 69625), (1114, 65250), (1125, 64612), (1305, 55700), (1450, 50130), (1500, 48459), (1671, 43500), (1740, 41775), (2175, 33420), (2228, 32625), (2250, 32306), (2610, 27850), (2785, 26100), (2900, 25065), (3342, 21750), (3625, 20052), (4350, 16710), (4500, 16153), (5013, 14500), (5220, 13925), (5570, 13050), (6525, 11140), (6684, 10875), (7250, 10026), (8355, 8700)]