31905900

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 216

約数和(自身を含む): 112794864

約数和(自身を除く): 80888964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 81, 90, 100, 101, 108, 117, 130, 135, 150, 156, 162, 180, 195, 202, 225, 234, 243, 260, 270, 300, 303, 324, 325, 351, 390, 404, 405, 450, 468, 486, 505, 540, 585, 606, 650, 675, 702, 780, 810, 900, 909, 972, 975, 1010, 1053, 1170, 1212, 1215, 1300, 1313, 1350, 1404, 1515, 1620, 1755, 1818, 1950, 2020, 2025, 2106, 2340, 2430, 2525, 2626, 2700, 2727, 2925, 3030, 3159, 3510, 3636, 3900, 3939, 4050, 4212, 4545, 4860, 5050, 5252, 5265, 5454, 5850, 6060, 6075, 6318, 6565, 7020, 7575, 7878, 8100, 8181, 8775, 9090, 10100, 10530, 10908, 11700, 11817, 12150, 12636, 13130, 13635, 15150, 15756, 15795, 16362, 17550, 18180, 19695, 21060, 22725, 23634, 24300, 24543, 26260, 26325, 27270, 30300, 31590, 32724, 32825, 35100, 35451, 39390, 40905, 45450, 47268, 49086, 52650, 54540, 59085, 63180, 65650, 68175, 70902, 78780, 78975, 81810, 90900, 98172, 98475, 105300, 106353, 118170, 122715, 131300, 136350, 141804, 157950, 163620, 177255, 196950, 204525, 212706, 236340, 245430, 272700, 295425, 315900, 319059, 354510, 393900, 409050, 425412, 490860, 531765, 590850, 613575, 638118, 709020, 818100, 886275, 1063530, 1181700, 1227150, 1276236, 1595295, 1772550, 2127060, 2454300, 2658825, 3190590, 3545100, 5317650, 6381180, 7976475, 10635300, 15952950, 31905900]

約数ペア:

[(1, 31905900), (2, 15952950), (3, 10635300), (4, 7976475), (5, 6381180), (6, 5317650), (9, 3545100), (10, 3190590), (12, 2658825), (13, 2454300), (15, 2127060), (18, 1772550), (20, 1595295), (25, 1276236), (26, 1227150), (27, 1181700), (30, 1063530), (36, 886275), (39, 818100), (45, 709020), (50, 638118), (52, 613575), (54, 590850), (60, 531765), (65, 490860), (75, 425412), (78, 409050), (81, 393900), (90, 354510), (100, 319059), (101, 315900), (108, 295425), (117, 272700), (130, 245430), (135, 236340), (150, 212706), (156, 204525), (162, 196950), (180, 177255), (195, 163620), (202, 157950), (225, 141804), (234, 136350), (243, 131300), (260, 122715), (270, 118170), (300, 106353), (303, 105300), (324, 98475), (325, 98172), (351, 90900), (390, 81810), (404, 78975), (405, 78780), (450, 70902), (468, 68175), (486, 65650), (505, 63180), (540, 59085), (585, 54540), (606, 52650), (650, 49086), (675, 47268), (702, 45450), (780, 40905), (810, 39390), (900, 35451), (909, 35100), (972, 32825), (975, 32724), (1010, 31590), (1053, 30300), (1170, 27270), (1212, 26325), (1215, 26260), (1300, 24543), (1313, 24300), (1350, 23634), (1404, 22725), (1515, 21060), (1620, 19695), (1755, 18180), (1818, 17550), (1950, 16362), (2020, 15795), (2025, 15756), (2106, 15150), (2340, 13635), (2430, 13130), (2525, 12636), (2626, 12150), (2700, 11817), (2727, 11700), (2925, 10908), (3030, 10530), (3159, 10100), (3510, 9090), (3636, 8775), (3900, 8181), (3939, 8100), (4050, 7878), (4212, 7575), (4545, 7020), (4860, 6565), (5050, 6318), (5252, 6075), (5265, 6060), (5454, 5850)]