80915257600

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{1303}}^1$

素因数の和:1673

約数の個数: 216

約数和(自身を含む): 207558159872

約数和(自身を除く): 126642902272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 313, 320, 400, 496, 620, 626, 640, 775, 800, 992, 1240, 1252, 1280, 1303, 1550, 1565, 1600, 1984, 2480, 2504, 2606, 3100, 3130, 3200, 3968, 4960, 5008, 5212, 6200, 6260, 6400, 6515, 7825, 7936, 9703, 9920, 10016, 10424, 12400, 12520, 13030, 15650, 19406, 19840, 20032, 20848, 24800, 25040, 26060, 31300, 32575, 38812, 39680, 40064, 40393, 41696, 48515, 49600, 50080, 52120, 62600, 65150, 77624, 80128, 80786, 83392, 97030, 99200, 100160, 104240, 125200, 130300, 155248, 161572, 166784, 194060, 198400, 200320, 201965, 208480, 242575, 250400, 260600, 310496, 323144, 333568, 388120, 400640, 403930, 407839, 416960, 485150, 500800, 521200, 620992, 646288, 776240, 807860, 815678, 833920, 970300, 1001600, 1009825, 1042400, 1241984, 1292576, 1552480, 1615720, 1631356, 1667840, 1940600, 2003200, 2019650, 2039195, 2084800, 2483968, 2585152, 3104960, 3231440, 3262712, 3881200, 4039300, 4078390, 4169600, 5170304, 6209920, 6462880, 6525424, 7762400, 8078600, 8156780, 8339200, 10195975, 10340608, 12419840, 12643009, 12925760, 13050848, 15524800, 16157200, 16313560, 20391950, 25286018, 25851520, 26101696, 31049600, 32314400, 32627120, 40783900, 50572036, 51703040, 52203392, 62099200, 63215045, 64628800, 65254240, 81567800, 101144072, 104406784, 126430090, 129257600, 130508480, 163135600, 202288144, 252860180, 258515200, 261016960, 316075225, 326271200, 404576288, 505720360, 522033920, 632150450, 652542400, 809152576, 1011440720, 1264300900, 1305084800, 1618305152, 2022881440, 2528601800, 2610169600, 3236610304, 4045762880, 5057203600, 8091525760, 10114407200, 16183051520, 20228814400, 40457628800, 80915257600]

約数ペア:

[(1, 80915257600), (2, 40457628800), (4, 20228814400), (5, 16183051520), (8, 10114407200), (10, 8091525760), (16, 5057203600), (20, 4045762880), (25, 3236610304), (31, 2610169600), (32, 2528601800), (40, 2022881440), (50, 1618305152), (62, 1305084800), (64, 1264300900), (80, 1011440720), (100, 809152576), (124, 652542400), (128, 632150450), (155, 522033920), (160, 505720360), (200, 404576288), (248, 326271200), (256, 316075225), (310, 261016960), (313, 258515200), (320, 252860180), (400, 202288144), (496, 163135600), (620, 130508480), (626, 129257600), (640, 126430090), (775, 104406784), (800, 101144072), (992, 81567800), (1240, 65254240), (1252, 64628800), (1280, 63215045), (1303, 62099200), (1550, 52203392), (1565, 51703040), (1600, 50572036), (1984, 40783900), (2480, 32627120), (2504, 32314400), (2606, 31049600), (3100, 26101696), (3130, 25851520), (3200, 25286018), (3968, 20391950), (4960, 16313560), (5008, 16157200), (5212, 15524800), (6200, 13050848), (6260, 12925760), (6400, 12643009), (6515, 12419840), (7825, 10340608), (7936, 10195975), (9703, 8339200), (9920, 8156780), (10016, 8078600), (10424, 7762400), (12400, 6525424), (12520, 6462880), (13030, 6209920), (15650, 5170304), (19406, 4169600), (19840, 4078390), (20032, 4039300), (20848, 3881200), (24800, 3262712), (25040, 3231440), (26060, 3104960), (31300, 2585152), (32575, 2483968), (38812, 2084800), (39680, 2039195), (40064, 2019650), (40393, 2003200), (41696, 1940600), (48515, 1667840), (49600, 1631356), (50080, 1615720), (52120, 1552480), (62600, 1292576), (65150, 1241984), (77624, 1042400), (80128, 1009825), (80786, 1001600), (83392, 970300), (97030, 833920), (99200, 815678), (100160, 807860), (104240, 776240), (125200, 646288), (130300, 620992), (155248, 521200), (161572, 500800), (166784, 485150), (194060, 416960), (198400, 407839), (200320, 403930), (201965, 400640), (208480, 388120), (242575, 333568), (250400, 323144), (260600, 310496)]