19439555280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1\times {\mathrm{2447}}^1$

素因数の和:2961

約数の個数: 160

約数和(自身を含む): 61196083200

約数和(自身を除く): 41756527920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 419, 474, 632, 790, 838, 948, 1185, 1257, 1264, 1580, 1676, 1896, 2095, 2370, 2447, 2514, 3160, 3352, 3792, 4190, 4740, 4894, 5028, 6285, 6320, 6704, 7341, 8380, 9480, 9788, 10056, 12235, 12570, 14682, 16760, 18960, 19576, 20112, 24470, 25140, 29364, 33101, 33520, 36705, 39152, 48940, 50280, 58728, 66202, 73410, 97880, 99303, 100560, 117456, 132404, 146820, 165505, 193313, 195760, 198606, 264808, 293640, 331010, 386626, 397212, 496515, 529616, 579939, 587280, 662020, 773252, 794424, 966565, 993030, 1025293, 1159878, 1324040, 1546504, 1588848, 1933130, 1986060, 2050586, 2319756, 2648080, 2899695, 3075879, 3093008, 3866260, 3972120, 4101172, 4639512, 5126465, 5799390, 6151758, 7732520, 7944240, 8202344, 9279024, 10252930, 11598780, 12303516, 15379395, 15465040, 16404688, 20505860, 23197560, 24607032, 30758790, 41011720, 46395120, 49214064, 61517580, 80998147, 82023440, 123035160, 161996294, 242994441, 246070320, 323992588, 404990735, 485988882, 647985176, 809981470, 971977764, 1214972205, 1295970352, 1619962940, 1943955528, 2429944410, 3239925880, 3887911056, 4859888820, 6479851760, 9719777640, 19439555280]

約数ペア:

[(1, 19439555280), (2, 9719777640), (3, 6479851760), (4, 4859888820), (5, 3887911056), (6, 3239925880), (8, 2429944410), (10, 1943955528), (12, 1619962940), (15, 1295970352), (16, 1214972205), (20, 971977764), (24, 809981470), (30, 647985176), (40, 485988882), (48, 404990735), (60, 323992588), (79, 246070320), (80, 242994441), (120, 161996294), (158, 123035160), (237, 82023440), (240, 80998147), (316, 61517580), (395, 49214064), (419, 46395120), (474, 41011720), (632, 30758790), (790, 24607032), (838, 23197560), (948, 20505860), (1185, 16404688), (1257, 15465040), (1264, 15379395), (1580, 12303516), (1676, 11598780), (1896, 10252930), (2095, 9279024), (2370, 8202344), (2447, 7944240), (2514, 7732520), (3160, 6151758), (3352, 5799390), (3792, 5126465), (4190, 4639512), (4740, 4101172), (4894, 3972120), (5028, 3866260), (6285, 3093008), (6320, 3075879), (6704, 2899695), (7341, 2648080), (8380, 2319756), (9480, 2050586), (9788, 1986060), (10056, 1933130), (12235, 1588848), (12570, 1546504), (14682, 1324040), (16760, 1159878), (18960, 1025293), (19576, 993030), (20112, 966565), (24470, 794424), (25140, 773252), (29364, 662020), (33101, 587280), (33520, 579939), (36705, 529616), (39152, 496515), (48940, 397212), (50280, 386626), (58728, 331010), (66202, 293640), (73410, 264808), (97880, 198606), (99303, 195760), (100560, 193313), (117456, 165505), (132404, 146820)]