20123588760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3499}}^1\times {\mathrm{4357}}^1$

素因数の和:7881

約数の個数: 128

約数和(自身を含む): 65892960000

約数和(自身を除く): 45769371240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 3499, 4357, 6998, 8714, 10497, 13071, 13996, 17428, 17495, 20994, 21785, 26142, 27992, 34856, 34990, 38489, 41988, 43570, 47927, 52284, 52485, 65355, 69980, 76978, 83976, 87140, 95854, 104568, 104970, 115467, 130710, 139960, 143781, 153956, 174280, 191708, 192445, 209940, 230934, 239635, 261420, 287562, 307912, 383416, 384890, 419880, 461868, 479270, 522840, 575124, 577335, 718905, 769780, 923736, 958540, 1150248, 1154670, 1437810, 1539560, 1917080, 2309340, 2875620, 4618680, 5751240, 15245143, 30490286, 45735429, 60980572, 76225715, 91470858, 121961144, 152451430, 167696573, 182941716, 228677145, 304902860, 335393146, 365883432, 457354290, 503089719, 609805720, 670786292, 838482865, 914708580, 1006179438, 1341572584, 1676965730, 1829417160, 2012358876, 2515448595, 3353931460, 4024717752, 5030897190, 6707862920, 10061794380, 20123588760]

約数ペア:

[(1, 20123588760), (2, 10061794380), (3, 6707862920), (4, 5030897190), (5, 4024717752), (6, 3353931460), (8, 2515448595), (10, 2012358876), (11, 1829417160), (12, 1676965730), (15, 1341572584), (20, 1006179438), (22, 914708580), (24, 838482865), (30, 670786292), (33, 609805720), (40, 503089719), (44, 457354290), (55, 365883432), (60, 335393146), (66, 304902860), (88, 228677145), (110, 182941716), (120, 167696573), (132, 152451430), (165, 121961144), (220, 91470858), (264, 76225715), (330, 60980572), (440, 45735429), (660, 30490286), (1320, 15245143), (3499, 5751240), (4357, 4618680), (6998, 2875620), (8714, 2309340), (10497, 1917080), (13071, 1539560), (13996, 1437810), (17428, 1154670), (17495, 1150248), (20994, 958540), (21785, 923736), (26142, 769780), (27992, 718905), (34856, 577335), (34990, 575124), (38489, 522840), (41988, 479270), (43570, 461868), (47927, 419880), (52284, 384890), (52485, 383416), (65355, 307912), (69980, 287562), (76978, 261420), (83976, 239635), (87140, 230934), (95854, 209940), (104568, 192445), (104970, 191708), (115467, 174280), (130710, 153956), (139960, 143781)]