208569660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 643902336

約数和(自身を除く): 435332676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 67, 78, 130, 134, 156, 169, 195, 201, 260, 268, 307, 335, 338, 390, 402, 507, 614, 670, 676, 780, 804, 845, 871, 921, 1005, 1014, 1228, 1340, 1535, 1690, 1742, 1842, 2010, 2028, 2535, 2613, 3070, 3380, 3484, 3684, 3991, 4020, 4355, 4605, 5070, 5226, 6140, 7982, 8710, 9210, 10140, 10452, 11323, 11973, 13065, 15964, 17420, 18420, 19955, 20569, 22646, 23946, 26130, 33969, 39910, 41138, 45292, 47892, 51883, 52260, 56615, 59865, 61707, 67938, 79820, 82276, 102845, 103766, 113230, 119730, 123414, 135876, 155649, 169845, 205690, 207532, 226460, 239460, 246828, 259415, 267397, 308535, 311298, 339690, 411380, 518830, 534794, 617070, 622596, 679380, 778245, 802191, 1037660, 1069588, 1234140, 1336985, 1556490, 1604382, 2673970, 3112980, 3208764, 3476161, 4010955, 5347940, 6952322, 8021910, 10428483, 13904644, 16043820, 17380805, 20856966, 34761610, 41713932, 52142415, 69523220, 104284830, 208569660]

約数ペア:

[(1, 208569660), (2, 104284830), (3, 69523220), (4, 52142415), (5, 41713932), (6, 34761610), (10, 20856966), (12, 17380805), (13, 16043820), (15, 13904644), (20, 10428483), (26, 8021910), (30, 6952322), (39, 5347940), (52, 4010955), (60, 3476161), (65, 3208764), (67, 3112980), (78, 2673970), (130, 1604382), (134, 1556490), (156, 1336985), (169, 1234140), (195, 1069588), (201, 1037660), (260, 802191), (268, 778245), (307, 679380), (335, 622596), (338, 617070), (390, 534794), (402, 518830), (507, 411380), (614, 339690), (670, 311298), (676, 308535), (780, 267397), (804, 259415), (845, 246828), (871, 239460), (921, 226460), (1005, 207532), (1014, 205690), (1228, 169845), (1340, 155649), (1535, 135876), (1690, 123414), (1742, 119730), (1842, 113230), (2010, 103766), (2028, 102845), (2535, 82276), (2613, 79820), (3070, 67938), (3380, 61707), (3484, 59865), (3684, 56615), (3991, 52260), (4020, 51883), (4355, 47892), (4605, 45292), (5070, 41138), (5226, 39910), (6140, 33969), (7982, 26130), (8710, 23946), (9210, 22646), (10140, 20569), (10452, 19955), (11323, 18420), (11973, 17420), (13065, 15964)]