19770660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 79252992

約数和(自身を除く): 59482332

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 26, 28, 30, 34, 35, 36, 39, 42, 45, 51, 52, 60, 63, 65, 68, 70, 71, 78, 84, 85, 90, 91, 102, 105, 117, 119, 126, 130, 140, 142, 153, 156, 170, 180, 182, 195, 204, 210, 213, 221, 234, 238, 252, 255, 260, 273, 284, 306, 315, 340, 355, 357, 364, 390, 420, 426, 442, 455, 468, 476, 497, 510, 546, 585, 595, 612, 630, 639, 663, 710, 714, 765, 780, 819, 852, 884, 910, 923, 994, 1020, 1065, 1071, 1092, 1105, 1170, 1190, 1207, 1260, 1278, 1326, 1365, 1420, 1428, 1491, 1530, 1547, 1638, 1785, 1820, 1846, 1988, 1989, 2130, 2142, 2210, 2340, 2380, 2414, 2485, 2556, 2652, 2730, 2769, 2982, 3060, 3094, 3195, 3276, 3315, 3570, 3621, 3692, 3978, 4095, 4260, 4284, 4420, 4473, 4615, 4641, 4828, 4970, 5355, 5460, 5538, 5964, 6035, 6188, 6390, 6461, 6630, 7140, 7242, 7455, 7735, 7956, 8190, 8307, 8449, 8946, 9230, 9282, 9940, 9945, 10710, 10863, 11076, 12070, 12780, 12922, 13260, 13845, 13923, 14484, 14910, 15470, 15691, 16380, 16614, 16898, 17892, 18105, 18460, 18564, 19383, 19890, 21420, 21726, 22365, 23205, 24140, 25347, 25844, 27690, 27846, 29820, 30940, 31382, 32305, 33228, 33796, 36210, 38766, 39780, 41535, 42245, 43452, 44730, 46410, 47073, 50694, 54315, 55380, 55692, 58149, 62764, 64610, 69615, 72420, 76041, 77532, 78455, 83070, 84490, 89460, 92820, 94146, 96915, 101388, 108630, 109837, 116298, 126735, 129220, 139230, 141219, 152082, 156910, 166140, 168980, 188292, 193830, 217260, 219674, 232596, 235365, 253470, 278460, 282438, 290745, 304164, 313820, 329511, 380205, 387660, 439348, 470730, 506940, 549185, 564876, 581490, 659022, 706095, 760410, 941460, 988533, 1098370, 1162980, 1318044, 1412190, 1520820, 1647555, 1977066, 2196740, 2824380, 3295110, 3954132, 4942665, 6590220, 9885330, 19770660]

約数ペア:

[(1, 19770660), (2, 9885330), (3, 6590220), (4, 4942665), (5, 3954132), (6, 3295110), (7, 2824380), (9, 2196740), (10, 1977066), (12, 1647555), (13, 1520820), (14, 1412190), (15, 1318044), (17, 1162980), (18, 1098370), (20, 988533), (21, 941460), (26, 760410), (28, 706095), (30, 659022), (34, 581490), (35, 564876), (36, 549185), (39, 506940), (42, 470730), (45, 439348), (51, 387660), (52, 380205), (60, 329511), (63, 313820), (65, 304164), (68, 290745), (70, 282438), (71, 278460), (78, 253470), (84, 235365), (85, 232596), (90, 219674), (91, 217260), (102, 193830), (105, 188292), (117, 168980), (119, 166140), (126, 156910), (130, 152082), (140, 141219), (142, 139230), (153, 129220), (156, 126735), (170, 116298), (180, 109837), (182, 108630), (195, 101388), (204, 96915), (210, 94146), (213, 92820), (221, 89460), (234, 84490), (238, 83070), (252, 78455), (255, 77532), (260, 76041), (273, 72420), (284, 69615), (306, 64610), (315, 62764), (340, 58149), (355, 55692), (357, 55380), (364, 54315), (390, 50694), (420, 47073), (426, 46410), (442, 44730), (455, 43452), (468, 42245), (476, 41535), (497, 39780), (510, 38766), (546, 36210), (585, 33796), (595, 33228), (612, 32305), (630, 31382), (639, 30940), (663, 29820), (710, 27846), (714, 27690), (765, 25844), (780, 25347), (819, 24140), (852, 23205), (884, 22365), (910, 21726), (923, 21420), (994, 19890), (1020, 19383), (1065, 18564), (1071, 18460), (1092, 18105), (1105, 17892), (1170, 16898), (1190, 16614), (1207, 16380), (1260, 15691), (1278, 15470), (1326, 14910), (1365, 14484), (1420, 13923), (1428, 13845), (1491, 13260), (1530, 12922), (1547, 12780), (1638, 12070), (1785, 11076), (1820, 10863), (1846, 10710), (1988, 9945), (1989, 9940), (2130, 9282), (2142, 9230), (2210, 8946), (2340, 8449), (2380, 8307), (2414, 8190), (2485, 7956), (2556, 7735), (2652, 7455), (2730, 7242), (2769, 7140), (2982, 6630), (3060, 6461), (3094, 6390), (3195, 6188), (3276, 6035), (3315, 5964), (3570, 5538), (3621, 5460), (3692, 5355), (3978, 4970), (4095, 4828), (4260, 4641), (4284, 4615), (4420, 4473)]