20125181520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{2129}}^1$

素因数の和:2858

約数の個数: 240

約数和(自身を含む): 71280705600

約数和(自身を除く): 51155524080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 691, 720, 760, 855, 912, 1140, 1368, 1382, 1520, 1710, 2073, 2129, 2280, 2736, 2764, 3420, 3455, 4146, 4258, 4560, 5528, 6219, 6387, 6840, 6910, 8292, 8516, 10365, 10645, 11056, 12438, 12774, 13129, 13680, 13820, 16584, 17032, 19161, 20730, 21290, 24876, 25548, 26258, 27640, 31095, 31935, 33168, 34064, 38322, 39387, 40451, 41460, 42580, 49752, 51096, 52516, 55280, 62190, 63870, 65645, 76644, 78774, 80902, 82920, 85160, 95805, 99504, 102192, 105032, 118161, 121353, 124380, 127740, 131290, 153288, 157548, 161804, 165840, 170320, 191610, 196935, 202255, 210064, 236322, 242706, 248760, 255480, 262580, 306576, 315096, 323608, 364059, 383220, 393870, 404510, 472644, 485412, 497520, 510960, 525160, 590805, 606765, 630192, 647216, 728118, 766440, 787740, 809020, 945288, 970824, 1050320, 1181610, 1213530, 1456236, 1471139, 1532880, 1575480, 1618040, 1820295, 1890576, 1941648, 2363220, 2427060, 2912472, 2942278, 3150960, 3236080, 3640590, 4413417, 4726440, 4854120, 5824944, 5884556, 7281180, 7355695, 8826834, 9452880, 9708240, 11769112, 13240251, 14562360, 14711390, 17653668, 22067085, 23538224, 26480502, 27951641, 29124720, 29422780, 35307336, 44134170, 52961004, 55903282, 58845560, 66201255, 70614672, 83854923, 88268340, 105922008, 111806564, 117691120, 132402510, 139758205, 167709846, 176536680, 211844016, 223613128, 251564769, 264805020, 279516410, 335419692, 353073360, 419274615, 447226256, 503129538, 529610040, 559032820, 670839384, 838549230, 1006259076, 1059220080, 1118065640, 1257823845, 1341678768, 1677098460, 2012518152, 2236131280, 2515647690, 3354196920, 4025036304, 5031295380, 6708393840, 10062590760, 20125181520]

約数ペア:

[(1, 20125181520), (2, 10062590760), (3, 6708393840), (4, 5031295380), (5, 4025036304), (6, 3354196920), (8, 2515647690), (9, 2236131280), (10, 2012518152), (12, 1677098460), (15, 1341678768), (16, 1257823845), (18, 1118065640), (19, 1059220080), (20, 1006259076), (24, 838549230), (30, 670839384), (36, 559032820), (38, 529610040), (40, 503129538), (45, 447226256), (48, 419274615), (57, 353073360), (60, 335419692), (72, 279516410), (76, 264805020), (80, 251564769), (90, 223613128), (95, 211844016), (114, 176536680), (120, 167709846), (144, 139758205), (152, 132402510), (171, 117691120), (180, 111806564), (190, 105922008), (228, 88268340), (240, 83854923), (285, 70614672), (304, 66201255), (342, 58845560), (360, 55903282), (380, 52961004), (456, 44134170), (570, 35307336), (684, 29422780), (691, 29124720), (720, 27951641), (760, 26480502), (855, 23538224), (912, 22067085), (1140, 17653668), (1368, 14711390), (1382, 14562360), (1520, 13240251), (1710, 11769112), (2073, 9708240), (2129, 9452880), (2280, 8826834), (2736, 7355695), (2764, 7281180), (3420, 5884556), (3455, 5824944), (4146, 4854120), (4258, 4726440), (4560, 4413417), (5528, 3640590), (6219, 3236080), (6387, 3150960), (6840, 2942278), (6910, 2912472), (8292, 2427060), (8516, 2363220), (10365, 1941648), (10645, 1890576), (11056, 1820295), (12438, 1618040), (12774, 1575480), (13129, 1532880), (13680, 1471139), (13820, 1456236), (16584, 1213530), (17032, 1181610), (19161, 1050320), (20730, 970824), (21290, 945288), (24876, 809020), (25548, 787740), (26258, 766440), (27640, 728118), (31095, 647216), (31935, 630192), (33168, 606765), (34064, 590805), (38322, 525160), (39387, 510960), (40451, 497520), (41460, 485412), (42580, 472644), (49752, 404510), (51096, 393870), (52516, 383220), (55280, 364059), (62190, 323608), (63870, 315096), (65645, 306576), (76644, 262580), (78774, 255480), (80902, 248760), (82920, 242706), (85160, 236322), (95805, 210064), (99504, 202255), (102192, 196935), (105032, 191610), (118161, 170320), (121353, 165840), (124380, 161804), (127740, 157548), (131290, 153288)]