81747900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 288

約数和(自身を含む): 301855680

約数和(自身を除く): 220107780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 25, 26, 27, 30, 34, 36, 39, 45, 50, 51, 52, 54, 60, 65, 68, 75, 78, 85, 90, 100, 102, 108, 117, 130, 135, 137, 150, 153, 156, 170, 180, 195, 204, 221, 225, 234, 255, 260, 270, 274, 300, 306, 325, 340, 351, 390, 411, 425, 442, 450, 459, 468, 510, 540, 548, 585, 612, 650, 663, 675, 685, 702, 765, 780, 822, 850, 884, 900, 918, 975, 1020, 1105, 1170, 1233, 1275, 1300, 1326, 1350, 1370, 1404, 1530, 1644, 1700, 1755, 1781, 1836, 1950, 1989, 2055, 2210, 2295, 2329, 2340, 2466, 2550, 2652, 2700, 2740, 2925, 3060, 3315, 3425, 3510, 3562, 3699, 3825, 3900, 3978, 4110, 4420, 4590, 4658, 4932, 5100, 5343, 5525, 5850, 5967, 6165, 6630, 6850, 6987, 7020, 7124, 7398, 7650, 7956, 8220, 8775, 8905, 9180, 9316, 9945, 10275, 10686, 11050, 11475, 11645, 11700, 11934, 12330, 13260, 13700, 13974, 14796, 15300, 16029, 16575, 17550, 17810, 18495, 19890, 20550, 20961, 21372, 22100, 22950, 23290, 23868, 24660, 26715, 27948, 29835, 30277, 30825, 32058, 33150, 34935, 35100, 35620, 36990, 39780, 41100, 41922, 44525, 45900, 46580, 48087, 49725, 53430, 58225, 59670, 60554, 61650, 62883, 64116, 66300, 69870, 73980, 80145, 83844, 89050, 90831, 92475, 96174, 99450, 104805, 106860, 116450, 119340, 121108, 123300, 125766, 133575, 139740, 149175, 151385, 160290, 174675, 178100, 181662, 184950, 192348, 198900, 209610, 232900, 240435, 251532, 267150, 272493, 298350, 302770, 314415, 320580, 349350, 363324, 369900, 400725, 419220, 454155, 480870, 524025, 534300, 544986, 596700, 605540, 628830, 698700, 756925, 801450, 817479, 908310, 961740, 1048050, 1089972, 1202175, 1257660, 1362465, 1513850, 1572075, 1602900, 1634958, 1816620, 2096100, 2270775, 2404350, 2724930, 3027700, 3144150, 3269916, 4087395, 4541550, 4808700, 5449860, 6288300, 6812325, 8174790, 9083100, 13624650, 16349580, 20436975, 27249300, 40873950, 81747900]

約数ペア:

[(1, 81747900), (2, 40873950), (3, 27249300), (4, 20436975), (5, 16349580), (6, 13624650), (9, 9083100), (10, 8174790), (12, 6812325), (13, 6288300), (15, 5449860), (17, 4808700), (18, 4541550), (20, 4087395), (25, 3269916), (26, 3144150), (27, 3027700), (30, 2724930), (34, 2404350), (36, 2270775), (39, 2096100), (45, 1816620), (50, 1634958), (51, 1602900), (52, 1572075), (54, 1513850), (60, 1362465), (65, 1257660), (68, 1202175), (75, 1089972), (78, 1048050), (85, 961740), (90, 908310), (100, 817479), (102, 801450), (108, 756925), (117, 698700), (130, 628830), (135, 605540), (137, 596700), (150, 544986), (153, 534300), (156, 524025), (170, 480870), (180, 454155), (195, 419220), (204, 400725), (221, 369900), (225, 363324), (234, 349350), (255, 320580), (260, 314415), (270, 302770), (274, 298350), (300, 272493), (306, 267150), (325, 251532), (340, 240435), (351, 232900), (390, 209610), (411, 198900), (425, 192348), (442, 184950), (450, 181662), (459, 178100), (468, 174675), (510, 160290), (540, 151385), (548, 149175), (585, 139740), (612, 133575), (650, 125766), (663, 123300), (675, 121108), (685, 119340), (702, 116450), (765, 106860), (780, 104805), (822, 99450), (850, 96174), (884, 92475), (900, 90831), (918, 89050), (975, 83844), (1020, 80145), (1105, 73980), (1170, 69870), (1233, 66300), (1275, 64116), (1300, 62883), (1326, 61650), (1350, 60554), (1370, 59670), (1404, 58225), (1530, 53430), (1644, 49725), (1700, 48087), (1755, 46580), (1781, 45900), (1836, 44525), (1950, 41922), (1989, 41100), (2055, 39780), (2210, 36990), (2295, 35620), (2329, 35100), (2340, 34935), (2466, 33150), (2550, 32058), (2652, 30825), (2700, 30277), (2740, 29835), (2925, 27948), (3060, 26715), (3315, 24660), (3425, 23868), (3510, 23290), (3562, 22950), (3699, 22100), (3825, 21372), (3900, 20961), (3978, 20550), (4110, 19890), (4420, 18495), (4590, 17810), (4658, 17550), (4932, 16575), (5100, 16029), (5343, 15300), (5525, 14796), (5850, 13974), (5967, 13700), (6165, 13260), (6630, 12330), (6850, 11934), (6987, 11700), (7020, 11645), (7124, 11475), (7398, 11050), (7650, 10686), (7956, 10275), (8220, 9945), (8775, 9316), (8905, 9180)]