1620249540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{296749}}^1$

素因数の和:296781

約数の個数: 96

約数和(自身を含む): 5583648000

約数和(自身を除く): 3963398460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 296749, 593498, 890247, 1186996, 1483745, 1780494, 2077243, 2967490, 3560988, 3857737, 4154486, 4451235, 5934980, 6231729, 7715474, 8308972, 8902470, 10386215, 11573211, 12463458, 15430948, 17804940, 19288685, 20772430, 23146422, 24926916, 27004159, 31158645, 38577370, 41544860, 46292844, 54008318, 57866055, 62317290, 77154740, 81012477, 108016636, 115732110, 124634580, 135020795, 162024954, 231464220, 270041590, 324049908, 405062385, 540083180, 810124770, 1620249540]

約数ペア:

[(1, 1620249540), (2, 810124770), (3, 540083180), (4, 405062385), (5, 324049908), (6, 270041590), (7, 231464220), (10, 162024954), (12, 135020795), (13, 124634580), (14, 115732110), (15, 108016636), (20, 81012477), (21, 77154740), (26, 62317290), (28, 57866055), (30, 54008318), (35, 46292844), (39, 41544860), (42, 38577370), (52, 31158645), (60, 27004159), (65, 24926916), (70, 23146422), (78, 20772430), (84, 19288685), (91, 17804940), (105, 15430948), (130, 12463458), (140, 11573211), (156, 10386215), (182, 8902470), (195, 8308972), (210, 7715474), (260, 6231729), (273, 5934980), (364, 4451235), (390, 4154486), (420, 3857737), (455, 3560988), (546, 2967490), (780, 2077243), (910, 1780494), (1092, 1483745), (1365, 1186996), (1820, 890247), (2730, 593498), (5460, 296749)]