321115860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:487

約数の個数: 192

約数和(自身を含む): 1086624000

約数和(自身を除く): 765508140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 149, 156, 180, 195, 234, 260, 270, 298, 307, 351, 390, 447, 468, 540, 585, 596, 614, 702, 745, 780, 894, 921, 1170, 1228, 1341, 1404, 1490, 1535, 1755, 1788, 1842, 1937, 2235, 2340, 2682, 2763, 2980, 3070, 3510, 3684, 3874, 3991, 4023, 4470, 4605, 5364, 5526, 5811, 6140, 6705, 7020, 7748, 7982, 8046, 8289, 8940, 9210, 9685, 11052, 11622, 11973, 13410, 13815, 15964, 16092, 16578, 17433, 18420, 19370, 19955, 20115, 23244, 23946, 26820, 27630, 29055, 33156, 34866, 35919, 38740, 39910, 40230, 41445, 45743, 47892, 52299, 55260, 58110, 59865, 69732, 71838, 79820, 80460, 82890, 87165, 91486, 104598, 107757, 116220, 119730, 137229, 143676, 165780, 174330, 179595, 182972, 209196, 215514, 228715, 239460, 261495, 274458, 348660, 359190, 411687, 431028, 457430, 522990, 538785, 548916, 594659, 686145, 718380, 823374, 914860, 1045980, 1077570, 1189318, 1235061, 1372290, 1646748, 1783977, 2058435, 2155140, 2378636, 2470122, 2744580, 2973295, 3567954, 4116870, 4940244, 5351931, 5946590, 6175305, 7135908, 8233740, 8919885, 10703862, 11893180, 12350610, 16055793, 17839770, 21407724, 24701220, 26759655, 32111586, 35679540, 53519310, 64223172, 80278965, 107038620, 160557930, 321115860]

約数ペア:

[(1, 321115860), (2, 160557930), (3, 107038620), (4, 80278965), (5, 64223172), (6, 53519310), (9, 35679540), (10, 32111586), (12, 26759655), (13, 24701220), (15, 21407724), (18, 17839770), (20, 16055793), (26, 12350610), (27, 11893180), (30, 10703862), (36, 8919885), (39, 8233740), (45, 7135908), (52, 6175305), (54, 5946590), (60, 5351931), (65, 4940244), (78, 4116870), (90, 3567954), (108, 2973295), (117, 2744580), (130, 2470122), (135, 2378636), (149, 2155140), (156, 2058435), (180, 1783977), (195, 1646748), (234, 1372290), (260, 1235061), (270, 1189318), (298, 1077570), (307, 1045980), (351, 914860), (390, 823374), (447, 718380), (468, 686145), (540, 594659), (585, 548916), (596, 538785), (614, 522990), (702, 457430), (745, 431028), (780, 411687), (894, 359190), (921, 348660), (1170, 274458), (1228, 261495), (1341, 239460), (1404, 228715), (1490, 215514), (1535, 209196), (1755, 182972), (1788, 179595), (1842, 174330), (1937, 165780), (2235, 143676), (2340, 137229), (2682, 119730), (2763, 116220), (2980, 107757), (3070, 104598), (3510, 91486), (3684, 87165), (3874, 82890), (3991, 80460), (4023, 79820), (4470, 71838), (4605, 69732), (5364, 59865), (5526, 58110), (5811, 55260), (6140, 52299), (6705, 47892), (7020, 45743), (7748, 41445), (7982, 40230), (8046, 39910), (8289, 38740), (8940, 35919), (9210, 34866), (9685, 33156), (11052, 29055), (11622, 27630), (11973, 26820), (13410, 23946), (13815, 23244), (15964, 20115), (16092, 19955), (16578, 19370), (17433, 18420)]