178859460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 560770560

約数和(自身を除く): 381911100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 569, 620, 676, 780, 806, 845, 930, 1014, 1138, 1209, 1612, 1690, 1707, 1860, 2015, 2028, 2276, 2418, 2535, 2845, 3380, 3414, 4030, 4836, 5070, 5239, 5690, 6045, 6828, 7397, 8060, 8535, 10140, 10478, 11380, 12090, 14794, 15717, 17070, 17639, 20956, 22191, 24180, 26195, 29588, 31434, 34140, 35278, 36985, 44382, 52390, 52917, 62868, 70556, 73970, 78585, 88195, 88764, 96161, 104780, 105834, 110955, 147940, 157170, 176390, 192322, 211668, 221910, 229307, 264585, 288483, 314340, 352780, 384644, 443820, 458614, 480805, 529170, 576966, 687921, 917228, 961610, 1058340, 1146535, 1153932, 1375842, 1442415, 1923220, 2293070, 2751684, 2884830, 2980991, 3439605, 4586140, 5769660, 5961982, 6879210, 8942973, 11923964, 13758420, 14904955, 17885946, 29809910, 35771892, 44714865, 59619820, 89429730, 178859460]

約数ペア:

[(1, 178859460), (2, 89429730), (3, 59619820), (4, 44714865), (5, 35771892), (6, 29809910), (10, 17885946), (12, 14904955), (13, 13758420), (15, 11923964), (20, 8942973), (26, 6879210), (30, 5961982), (31, 5769660), (39, 4586140), (52, 3439605), (60, 2980991), (62, 2884830), (65, 2751684), (78, 2293070), (93, 1923220), (124, 1442415), (130, 1375842), (155, 1153932), (156, 1146535), (169, 1058340), (186, 961610), (195, 917228), (260, 687921), (310, 576966), (338, 529170), (372, 480805), (390, 458614), (403, 443820), (465, 384644), (507, 352780), (569, 314340), (620, 288483), (676, 264585), (780, 229307), (806, 221910), (845, 211668), (930, 192322), (1014, 176390), (1138, 157170), (1209, 147940), (1612, 110955), (1690, 105834), (1707, 104780), (1860, 96161), (2015, 88764), (2028, 88195), (2276, 78585), (2418, 73970), (2535, 70556), (2845, 62868), (3380, 52917), (3414, 52390), (4030, 44382), (4836, 36985), (5070, 35278), (5239, 34140), (5690, 31434), (6045, 29588), (6828, 26195), (7397, 24180), (8060, 22191), (8535, 20956), (10140, 17639), (10478, 17070), (11380, 15717), (12090, 14794)]