491539440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12721}}^1$

素因数の和:12767

約数の個数: 160

約数和(自身を含む): 1817312256

約数和(自身を除く): 1325772816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2415, 2576, 2760, 3220, 3864, 4830, 5520, 6440, 7728, 9660, 12721, 12880, 19320, 25442, 38163, 38640, 50884, 63605, 76326, 89047, 101768, 127210, 152652, 178094, 190815, 203536, 254420, 267141, 292583, 305304, 356188, 381630, 445235, 508840, 534282, 585166, 610608, 712376, 763260, 877749, 890470, 1017680, 1068564, 1170332, 1335705, 1424752, 1462915, 1526520, 1755498, 1780940, 2048081, 2137128, 2340664, 2671410, 2925830, 3053040, 3510996, 3561880, 4096162, 4274256, 4388745, 4681328, 5342820, 5851660, 6144243, 7021992, 7123760, 8192324, 8777490, 10240405, 10685640, 11703320, 12288486, 14043984, 16384648, 17554980, 20480810, 21371280, 23406640, 24576972, 30721215, 32769296, 35109960, 40961620, 49153944, 61442430, 70219920, 81923240, 98307888, 122884860, 163846480, 245769720, 491539440]

約数ペア:

[(1, 491539440), (2, 245769720), (3, 163846480), (4, 122884860), (5, 98307888), (6, 81923240), (7, 70219920), (8, 61442430), (10, 49153944), (12, 40961620), (14, 35109960), (15, 32769296), (16, 30721215), (20, 24576972), (21, 23406640), (23, 21371280), (24, 20480810), (28, 17554980), (30, 16384648), (35, 14043984), (40, 12288486), (42, 11703320), (46, 10685640), (48, 10240405), (56, 8777490), (60, 8192324), (69, 7123760), (70, 7021992), (80, 6144243), (84, 5851660), (92, 5342820), (105, 4681328), (112, 4388745), (115, 4274256), (120, 4096162), (138, 3561880), (140, 3510996), (161, 3053040), (168, 2925830), (184, 2671410), (210, 2340664), (230, 2137128), (240, 2048081), (276, 1780940), (280, 1755498), (322, 1526520), (336, 1462915), (345, 1424752), (368, 1335705), (420, 1170332), (460, 1068564), (483, 1017680), (552, 890470), (560, 877749), (644, 763260), (690, 712376), (805, 610608), (840, 585166), (920, 534282), (966, 508840), (1104, 445235), (1288, 381630), (1380, 356188), (1610, 305304), (1680, 292583), (1840, 267141), (1932, 254420), (2415, 203536), (2576, 190815), (2760, 178094), (3220, 152652), (3864, 127210), (4830, 101768), (5520, 89047), (6440, 76326), (7728, 63605), (9660, 50884), (12721, 38640), (12880, 38163), (19320, 25442)]