2080797930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:621

約数の個数: 128

約数和(自身を含む): 5635215360

約数和(自身を除く): 3554417430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 157, 191, 257, 270, 314, 382, 471, 514, 573, 771, 785, 942, 955, 1146, 1285, 1413, 1542, 1570, 1719, 1910, 2313, 2355, 2570, 2826, 2865, 3438, 3855, 4239, 4626, 4710, 5157, 5730, 6939, 7065, 7710, 8478, 8595, 10314, 11565, 13878, 14130, 17190, 21195, 23130, 25785, 29987, 34695, 40349, 42390, 49087, 51570, 59974, 69390, 80698, 89961, 98174, 121047, 147261, 149935, 179922, 201745, 242094, 245435, 269883, 294522, 299870, 363141, 403490, 441783, 449805, 490870, 539766, 605235, 726282, 736305, 809649, 883566, 899610, 1089423, 1210470, 1325349, 1349415, 1472610, 1619298, 1815705, 2178846, 2208915, 2650698, 2698830, 3631410, 4048245, 4417830, 5447115, 6626745, 7706659, 8096490, 10894230, 13253490, 15413318, 23119977, 38533295, 46239954, 69359931, 77066590, 115599885, 138719862, 208079793, 231199770, 346799655, 416159586, 693599310, 1040398965, 2080797930]

約数ペア:

[(1, 2080797930), (2, 1040398965), (3, 693599310), (5, 416159586), (6, 346799655), (9, 231199770), (10, 208079793), (15, 138719862), (18, 115599885), (27, 77066590), (30, 69359931), (45, 46239954), (54, 38533295), (90, 23119977), (135, 15413318), (157, 13253490), (191, 10894230), (257, 8096490), (270, 7706659), (314, 6626745), (382, 5447115), (471, 4417830), (514, 4048245), (573, 3631410), (771, 2698830), (785, 2650698), (942, 2208915), (955, 2178846), (1146, 1815705), (1285, 1619298), (1413, 1472610), (1542, 1349415), (1570, 1325349), (1719, 1210470), (1910, 1089423), (2313, 899610), (2355, 883566), (2570, 809649), (2826, 736305), (2865, 726282), (3438, 605235), (3855, 539766), (4239, 490870), (4626, 449805), (4710, 441783), (5157, 403490), (5730, 363141), (6939, 299870), (7065, 294522), (7710, 269883), (8478, 245435), (8595, 242094), (10314, 201745), (11565, 179922), (13878, 149935), (14130, 147261), (17190, 121047), (21195, 98174), (23130, 89961), (25785, 80698), (29987, 69390), (34695, 59974), (40349, 51570), (42390, 49087)]