1878973960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:296

約数の個数: 192

約数和(自身を含む): 4838123520

約数和(自身を除く): 2959149560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 37, 40, 46, 68, 74, 85, 92, 115, 136, 148, 170, 184, 185, 191, 230, 289, 296, 340, 370, 382, 391, 460, 578, 629, 680, 740, 764, 782, 851, 920, 955, 1156, 1258, 1445, 1480, 1528, 1564, 1702, 1910, 1955, 2312, 2516, 2890, 3128, 3145, 3247, 3404, 3820, 3910, 4255, 4393, 5032, 5780, 6290, 6494, 6647, 6808, 7067, 7640, 7820, 8510, 8786, 10693, 11560, 12580, 12988, 13294, 14134, 14467, 15640, 16235, 17020, 17572, 21386, 21965, 25160, 25976, 26588, 28268, 28934, 32470, 33235, 34040, 35144, 35335, 42772, 43930, 53176, 53465, 55199, 56536, 57868, 64940, 66470, 70670, 72335, 74681, 85544, 87860, 106930, 110398, 115736, 120139, 129880, 132940, 141340, 144670, 149362, 162541, 175720, 213860, 220796, 240278, 245939, 265880, 275995, 282680, 289340, 298724, 325082, 373405, 427720, 441592, 480556, 491878, 551990, 578680, 597448, 600695, 650164, 746810, 812705, 961112, 983756, 1103980, 1201390, 1229695, 1269577, 1300328, 1493620, 1625410, 1967512, 2042363, 2207960, 2402780, 2459390, 2539154, 2763197, 2987240, 3250820, 4084726, 4805560, 4918780, 5078308, 5526394, 6347885, 6501640, 8169452, 9837560, 10156616, 10211815, 11052788, 12695770, 13815985, 16338904, 20423630, 22105576, 25391540, 27631970, 40847260, 46974349, 50783080, 55263940, 81694520, 93948698, 110527880, 187897396, 234871745, 375794792, 469743490, 939486980, 1878973960]

約数ペア:

[(1, 1878973960), (2, 939486980), (4, 469743490), (5, 375794792), (8, 234871745), (10, 187897396), (17, 110527880), (20, 93948698), (23, 81694520), (34, 55263940), (37, 50783080), (40, 46974349), (46, 40847260), (68, 27631970), (74, 25391540), (85, 22105576), (92, 20423630), (115, 16338904), (136, 13815985), (148, 12695770), (170, 11052788), (184, 10211815), (185, 10156616), (191, 9837560), (230, 8169452), (289, 6501640), (296, 6347885), (340, 5526394), (370, 5078308), (382, 4918780), (391, 4805560), (460, 4084726), (578, 3250820), (629, 2987240), (680, 2763197), (740, 2539154), (764, 2459390), (782, 2402780), (851, 2207960), (920, 2042363), (955, 1967512), (1156, 1625410), (1258, 1493620), (1445, 1300328), (1480, 1269577), (1528, 1229695), (1564, 1201390), (1702, 1103980), (1910, 983756), (1955, 961112), (2312, 812705), (2516, 746810), (2890, 650164), (3128, 600695), (3145, 597448), (3247, 578680), (3404, 551990), (3820, 491878), (3910, 480556), (4255, 441592), (4393, 427720), (5032, 373405), (5780, 325082), (6290, 298724), (6494, 289340), (6647, 282680), (6808, 275995), (7067, 265880), (7640, 245939), (7820, 240278), (8510, 220796), (8786, 213860), (10693, 175720), (11560, 162541), (12580, 149362), (12988, 144670), (13294, 141340), (14134, 132940), (14467, 129880), (15640, 120139), (16235, 115736), (17020, 110398), (17572, 106930), (21386, 87860), (21965, 85544), (25160, 74681), (25976, 72335), (26588, 70670), (28268, 66470), (28934, 64940), (32470, 57868), (33235, 56536), (34040, 55199), (35144, 53465), (35335, 53176), (42772, 43930)]