420128940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1181}}^1$

素因数の和:1229

約数の個数: 216

約数和(自身を含む): 1505404656

約数和(自身を除く): 1085275716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 121, 132, 140, 147, 154, 165, 196, 210, 220, 231, 242, 245, 294, 308, 330, 363, 385, 420, 462, 484, 490, 539, 588, 605, 660, 726, 735, 770, 847, 924, 980, 1078, 1155, 1181, 1210, 1452, 1470, 1540, 1617, 1694, 1815, 2156, 2310, 2362, 2420, 2541, 2695, 2940, 3234, 3388, 3543, 3630, 4235, 4620, 4724, 5082, 5390, 5905, 5929, 6468, 7086, 7260, 8085, 8267, 8470, 10164, 10780, 11810, 11858, 12705, 12991, 14172, 16170, 16534, 16940, 17715, 17787, 23620, 23716, 24801, 25410, 25982, 29645, 32340, 33068, 35430, 35574, 38973, 41335, 49602, 50820, 51964, 57869, 59290, 64955, 70860, 71148, 77946, 82670, 88935, 90937, 99204, 115738, 118580, 124005, 129910, 142901, 155892, 165340, 173607, 177870, 181874, 194865, 231476, 248010, 259820, 272811, 285802, 289345, 347214, 355740, 363748, 389730, 428703, 454685, 496020, 545622, 571604, 578690, 636559, 694428, 714505, 779460, 857406, 868035, 909370, 1000307, 1091244, 1157380, 1273118, 1364055, 1429010, 1714812, 1736070, 1818740, 1909677, 2000614, 2143515, 2546236, 2728110, 2858020, 3000921, 3182795, 3472140, 3819354, 4001228, 4287030, 5001535, 5456220, 6001842, 6365590, 7002149, 7638708, 8574060, 9548385, 10003070, 12003684, 12731180, 14004298, 15004605, 19096770, 20006140, 21006447, 28008596, 30009210, 35010745, 38193540, 42012894, 60018420, 70021490, 84025788, 105032235, 140042980, 210064470, 420128940]

約数ペア:

[(1, 420128940), (2, 210064470), (3, 140042980), (4, 105032235), (5, 84025788), (6, 70021490), (7, 60018420), (10, 42012894), (11, 38193540), (12, 35010745), (14, 30009210), (15, 28008596), (20, 21006447), (21, 20006140), (22, 19096770), (28, 15004605), (30, 14004298), (33, 12731180), (35, 12003684), (42, 10003070), (44, 9548385), (49, 8574060), (55, 7638708), (60, 7002149), (66, 6365590), (70, 6001842), (77, 5456220), (84, 5001535), (98, 4287030), (105, 4001228), (110, 3819354), (121, 3472140), (132, 3182795), (140, 3000921), (147, 2858020), (154, 2728110), (165, 2546236), (196, 2143515), (210, 2000614), (220, 1909677), (231, 1818740), (242, 1736070), (245, 1714812), (294, 1429010), (308, 1364055), (330, 1273118), (363, 1157380), (385, 1091244), (420, 1000307), (462, 909370), (484, 868035), (490, 857406), (539, 779460), (588, 714505), (605, 694428), (660, 636559), (726, 578690), (735, 571604), (770, 545622), (847, 496020), (924, 454685), (980, 428703), (1078, 389730), (1155, 363748), (1181, 355740), (1210, 347214), (1452, 289345), (1470, 285802), (1540, 272811), (1617, 259820), (1694, 248010), (1815, 231476), (2156, 194865), (2310, 181874), (2362, 177870), (2420, 173607), (2541, 165340), (2695, 155892), (2940, 142901), (3234, 129910), (3388, 124005), (3543, 118580), (3630, 115738), (4235, 99204), (4620, 90937), (4724, 88935), (5082, 82670), (5390, 77946), (5905, 71148), (5929, 70860), (6468, 64955), (7086, 59290), (7260, 57869), (8085, 51964), (8267, 50820), (8470, 49602), (10164, 41335), (10780, 38973), (11810, 35574), (11858, 35430), (12705, 33068), (12991, 32340), (14172, 29645), (16170, 25982), (16534, 25410), (16940, 24801), (17715, 23716), (17787, 23620)]