27800100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 97493760

約数和(自身を除く): 69693660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 25, 30, 34, 36, 45, 46, 50, 51, 60, 68, 69, 75, 79, 85, 90, 92, 100, 102, 115, 138, 150, 153, 158, 170, 180, 204, 207, 225, 230, 237, 255, 276, 300, 306, 316, 340, 345, 391, 395, 414, 425, 450, 460, 474, 510, 575, 612, 690, 711, 765, 782, 790, 828, 850, 900, 948, 1020, 1035, 1150, 1173, 1185, 1275, 1343, 1380, 1422, 1530, 1564, 1580, 1700, 1725, 1817, 1955, 1975, 2070, 2300, 2346, 2370, 2550, 2686, 2844, 3060, 3450, 3519, 3555, 3634, 3825, 3910, 3950, 4029, 4140, 4692, 4740, 5100, 5175, 5372, 5451, 5865, 5925, 6715, 6900, 7038, 7110, 7268, 7650, 7820, 7900, 8058, 9085, 9775, 10350, 10902, 11730, 11850, 12087, 13430, 14076, 14220, 15300, 16116, 16353, 17595, 17775, 18170, 19550, 20145, 20700, 21804, 23460, 23700, 24174, 26860, 27255, 29325, 30889, 32706, 33575, 35190, 35550, 36340, 39100, 40290, 45425, 48348, 54510, 58650, 60435, 61778, 65412, 67150, 70380, 71100, 80580, 81765, 87975, 90850, 92667, 100725, 109020, 117300, 120870, 123556, 134300, 136275, 154445, 163530, 175950, 181700, 185334, 201450, 241740, 272550, 278001, 302175, 308890, 327060, 351900, 370668, 402900, 408825, 463335, 545100, 556002, 604350, 617780, 772225, 817650, 926670, 1112004, 1208700, 1390005, 1544450, 1635300, 1853340, 2316675, 2780010, 3088900, 4633350, 5560020, 6950025, 9266700, 13900050, 27800100]

約数ペア:

[(1, 27800100), (2, 13900050), (3, 9266700), (4, 6950025), (5, 5560020), (6, 4633350), (9, 3088900), (10, 2780010), (12, 2316675), (15, 1853340), (17, 1635300), (18, 1544450), (20, 1390005), (23, 1208700), (25, 1112004), (30, 926670), (34, 817650), (36, 772225), (45, 617780), (46, 604350), (50, 556002), (51, 545100), (60, 463335), (68, 408825), (69, 402900), (75, 370668), (79, 351900), (85, 327060), (90, 308890), (92, 302175), (100, 278001), (102, 272550), (115, 241740), (138, 201450), (150, 185334), (153, 181700), (158, 175950), (170, 163530), (180, 154445), (204, 136275), (207, 134300), (225, 123556), (230, 120870), (237, 117300), (255, 109020), (276, 100725), (300, 92667), (306, 90850), (316, 87975), (340, 81765), (345, 80580), (391, 71100), (395, 70380), (414, 67150), (425, 65412), (450, 61778), (460, 60435), (474, 58650), (510, 54510), (575, 48348), (612, 45425), (690, 40290), (711, 39100), (765, 36340), (782, 35550), (790, 35190), (828, 33575), (850, 32706), (900, 30889), (948, 29325), (1020, 27255), (1035, 26860), (1150, 24174), (1173, 23700), (1185, 23460), (1275, 21804), (1343, 20700), (1380, 20145), (1422, 19550), (1530, 18170), (1564, 17775), (1580, 17595), (1700, 16353), (1725, 16116), (1817, 15300), (1955, 14220), (1975, 14076), (2070, 13430), (2300, 12087), (2346, 11850), (2370, 11730), (2550, 10902), (2686, 10350), (2844, 9775), (3060, 9085), (3450, 8058), (3519, 7900), (3555, 7820), (3634, 7650), (3825, 7268), (3910, 7110), (3950, 7038), (4029, 6900), (4140, 6715), (4692, 5925), (4740, 5865), (5100, 5451), (5175, 5372)]